fix
[wolnelektury.git] / src / wolnelektury / static / contrib / jquery-ui-1.13.1.custom / external / jquery / jquery.js
1 /*!
2  * jQuery JavaScript Library v3.6.0
3  * https://jquery.com/
4  *
5  * Includes Sizzle.js
6  * https://sizzlejs.com/
7  *
8  * Copyright OpenJS Foundation and other contributors
9  * Released under the MIT license
10  * https://jquery.org/license
11  *
12  * Date: 2021-03-02T17:08Z
13  */
14 ( function( global, factory ) {
15
16         "use strict";
17
18         if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20                 // For CommonJS and CommonJS-like environments where a proper `window`
21                 // is present, execute the factory and get jQuery.
22                 // For environments that do not have a `window` with a `document`
23                 // (such as Node.js), expose a factory as module.exports.
24                 // This accentuates the need for the creation of a real `window`.
25                 // e.g. var jQuery = require("jquery")(window);
26                 // See ticket #14549 for more info.
27                 module.exports = global.document ?
28                         factory( global, true ) :
29                         function( w ) {
30                                 if ( !w.document ) {
31                                         throw new Error( "jQuery requires a window with a document" );
32                                 }
33                                 return factory( w );
34                         };
35         } else {
36                 factory( global );
37         }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var getProto = Object.getPrototypeOf;
51
52 var slice = arr.slice;
53
54 var flat = arr.flat ? function( array ) {
55         return arr.flat.call( array );
56 } : function( array ) {
57         return arr.concat.apply( [], array );
58 };
59
60
61 var push = arr.push;
62
63 var indexOf = arr.indexOf;
64
65 var class2type = {};
66
67 var toString = class2type.toString;
68
69 var hasOwn = class2type.hasOwnProperty;
70
71 var fnToString = hasOwn.toString;
72
73 var ObjectFunctionString = fnToString.call( Object );
74
75 var support = {};
76
77 var isFunction = function isFunction( obj ) {
78
79                 // Support: Chrome <=57, Firefox <=52
80                 // In some browsers, typeof returns "function" for HTML <object> elements
81                 // (i.e., `typeof document.createElement( "object" ) === "function"`).
82                 // We don't want to classify *any* DOM node as a function.
83                 // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
84                 // Plus for old WebKit, typeof returns "function" for HTML collections
85                 // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
86                 return typeof obj === "function" && typeof obj.nodeType !== "number" &&
87                         typeof obj.item !== "function";
88         };
89
90
91 var isWindow = function isWindow( obj ) {
92                 return obj != null && obj === obj.window;
93         };
94
95
96 var document = window.document;
97
98
99
100         var preservedScriptAttributes = {
101                 type: true,
102                 src: true,
103                 nonce: true,
104                 noModule: true
105         };
106
107         function DOMEval( code, node, doc ) {
108                 doc = doc || document;
109
110                 var i, val,
111                         script = doc.createElement( "script" );
112
113                 script.text = code;
114                 if ( node ) {
115                         for ( i in preservedScriptAttributes ) {
116
117                                 // Support: Firefox 64+, Edge 18+
118                                 // Some browsers don't support the "nonce" property on scripts.
119                                 // On the other hand, just using `getAttribute` is not enough as
120                                 // the `nonce` attribute is reset to an empty string whenever it
121                                 // becomes browsing-context connected.
122                                 // See https://github.com/whatwg/html/issues/2369
123                                 // See https://html.spec.whatwg.org/#nonce-attributes
124                                 // The `node.getAttribute` check was added for the sake of
125                                 // `jQuery.globalEval` so that it can fake a nonce-containing node
126                                 // via an object.
127                                 val = node[ i ] || node.getAttribute && node.getAttribute( i );
128                                 if ( val ) {
129                                         script.setAttribute( i, val );
130                                 }
131                         }
132                 }
133                 doc.head.appendChild( script ).parentNode.removeChild( script );
134         }
135
136
137 function toType( obj ) {
138         if ( obj == null ) {
139                 return obj + "";
140         }
141
142         // Support: Android <=2.3 only (functionish RegExp)
143         return typeof obj === "object" || typeof obj === "function" ?
144                 class2type[ toString.call( obj ) ] || "object" :
145                 typeof obj;
146 }
147 /* global Symbol */
148 // Defining this global in .eslintrc.json would create a danger of using the global
149 // unguarded in another place, it seems safer to define global only for this module
150
151
152
153 var
154         version = "3.6.0",
155
156         // Define a local copy of jQuery
157         jQuery = function( selector, context ) {
158
159                 // The jQuery object is actually just the init constructor 'enhanced'
160                 // Need init if jQuery is called (just allow error to be thrown if not included)
161                 return new jQuery.fn.init( selector, context );
162         };
163
164 jQuery.fn = jQuery.prototype = {
165
166         // The current version of jQuery being used
167         jquery: version,
168
169         constructor: jQuery,
170
171         // The default length of a jQuery object is 0
172         length: 0,
173
174         toArray: function() {
175                 return slice.call( this );
176         },
177
178         // Get the Nth element in the matched element set OR
179         // Get the whole matched element set as a clean array
180         get: function( num ) {
181
182                 // Return all the elements in a clean array
183                 if ( num == null ) {
184                         return slice.call( this );
185                 }
186
187                 // Return just the one element from the set
188                 return num < 0 ? this[ num + this.length ] : this[ num ];
189         },
190
191         // Take an array of elements and push it onto the stack
192         // (returning the new matched element set)
193         pushStack: function( elems ) {
194
195                 // Build a new jQuery matched element set
196                 var ret = jQuery.merge( this.constructor(), elems );
197
198                 // Add the old object onto the stack (as a reference)
199                 ret.prevObject = this;
200
201                 // Return the newly-formed element set
202                 return ret;
203         },
204
205         // Execute a callback for every element in the matched set.
206         each: function( callback ) {
207                 return jQuery.each( this, callback );
208         },
209
210         map: function( callback ) {
211                 return this.pushStack( jQuery.map( this, function( elem, i ) {
212                         return callback.call( elem, i, elem );
213                 } ) );
214         },
215
216         slice: function() {
217                 return this.pushStack( slice.apply( this, arguments ) );
218         },
219
220         first: function() {
221                 return this.eq( 0 );
222         },
223
224         last: function() {
225                 return this.eq( -1 );
226         },
227
228         even: function() {
229                 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
230                         return ( i + 1 ) % 2;
231                 } ) );
232         },
233
234         odd: function() {
235                 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
236                         return i % 2;
237                 } ) );
238         },
239
240         eq: function( i ) {
241                 var len = this.length,
242                         j = +i + ( i < 0 ? len : 0 );
243                 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
244         },
245
246         end: function() {
247                 return this.prevObject || this.constructor();
248         },
249
250         // For internal use only.
251         // Behaves like an Array's method, not like a jQuery method.
252         push: push,
253         sort: arr.sort,
254         splice: arr.splice
255 };
256
257 jQuery.extend = jQuery.fn.extend = function() {
258         var options, name, src, copy, copyIsArray, clone,
259                 target = arguments[ 0 ] || {},
260                 i = 1,
261                 length = arguments.length,
262                 deep = false;
263
264         // Handle a deep copy situation
265         if ( typeof target === "boolean" ) {
266                 deep = target;
267
268                 // Skip the boolean and the target
269                 target = arguments[ i ] || {};
270                 i++;
271         }
272
273         // Handle case when target is a string or something (possible in deep copy)
274         if ( typeof target !== "object" && !isFunction( target ) ) {
275                 target = {};
276         }
277
278         // Extend jQuery itself if only one argument is passed
279         if ( i === length ) {
280                 target = this;
281                 i--;
282         }
283
284         for ( ; i < length; i++ ) {
285
286                 // Only deal with non-null/undefined values
287                 if ( ( options = arguments[ i ] ) != null ) {
288
289                         // Extend the base object
290                         for ( name in options ) {
291                                 copy = options[ name ];
292
293                                 // Prevent Object.prototype pollution
294                                 // Prevent never-ending loop
295                                 if ( name === "__proto__" || target === copy ) {
296                                         continue;
297                                 }
298
299                                 // Recurse if we're merging plain objects or arrays
300                                 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
301                                         ( copyIsArray = Array.isArray( copy ) ) ) ) {
302                                         src = target[ name ];
303
304                                         // Ensure proper type for the source value
305                                         if ( copyIsArray && !Array.isArray( src ) ) {
306                                                 clone = [];
307                                         } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
308                                                 clone = {};
309                                         } else {
310                                                 clone = src;
311                                         }
312                                         copyIsArray = false;
313
314                                         // Never move original objects, clone them
315                                         target[ name ] = jQuery.extend( deep, clone, copy );
316
317                                 // Don't bring in undefined values
318                                 } else if ( copy !== undefined ) {
319                                         target[ name ] = copy;
320                                 }
321                         }
322                 }
323         }
324
325         // Return the modified object
326         return target;
327 };
328
329 jQuery.extend( {
330
331         // Unique for each copy of jQuery on the page
332         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
333
334         // Assume jQuery is ready without the ready module
335         isReady: true,
336
337         error: function( msg ) {
338                 throw new Error( msg );
339         },
340
341         noop: function() {},
342
343         isPlainObject: function( obj ) {
344                 var proto, Ctor;
345
346                 // Detect obvious negatives
347                 // Use toString instead of jQuery.type to catch host objects
348                 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
349                         return false;
350                 }
351
352                 proto = getProto( obj );
353
354                 // Objects with no prototype (e.g., `Object.create( null )`) are plain
355                 if ( !proto ) {
356                         return true;
357                 }
358
359                 // Objects with prototype are plain iff they were constructed by a global Object function
360                 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
361                 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
362         },
363
364         isEmptyObject: function( obj ) {
365                 var name;
366
367                 for ( name in obj ) {
368                         return false;
369                 }
370                 return true;
371         },
372
373         // Evaluates a script in a provided context; falls back to the global one
374         // if not specified.
375         globalEval: function( code, options, doc ) {
376                 DOMEval( code, { nonce: options && options.nonce }, doc );
377         },
378
379         each: function( obj, callback ) {
380                 var length, i = 0;
381
382                 if ( isArrayLike( obj ) ) {
383                         length = obj.length;
384                         for ( ; i < length; i++ ) {
385                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
386                                         break;
387                                 }
388                         }
389                 } else {
390                         for ( i in obj ) {
391                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
392                                         break;
393                                 }
394                         }
395                 }
396
397                 return obj;
398         },
399
400         // results is for internal usage only
401         makeArray: function( arr, results ) {
402                 var ret = results || [];
403
404                 if ( arr != null ) {
405                         if ( isArrayLike( Object( arr ) ) ) {
406                                 jQuery.merge( ret,
407                                         typeof arr === "string" ?
408                                                 [ arr ] : arr
409                                 );
410                         } else {
411                                 push.call( ret, arr );
412                         }
413                 }
414
415                 return ret;
416         },
417
418         inArray: function( elem, arr, i ) {
419                 return arr == null ? -1 : indexOf.call( arr, elem, i );
420         },
421
422         // Support: Android <=4.0 only, PhantomJS 1 only
423         // push.apply(_, arraylike) throws on ancient WebKit
424         merge: function( first, second ) {
425                 var len = +second.length,
426                         j = 0,
427                         i = first.length;
428
429                 for ( ; j < len; j++ ) {
430                         first[ i++ ] = second[ j ];
431                 }
432
433                 first.length = i;
434
435                 return first;
436         },
437
438         grep: function( elems, callback, invert ) {
439                 var callbackInverse,
440                         matches = [],
441                         i = 0,
442                         length = elems.length,
443                         callbackExpect = !invert;
444
445                 // Go through the array, only saving the items
446                 // that pass the validator function
447                 for ( ; i < length; i++ ) {
448                         callbackInverse = !callback( elems[ i ], i );
449                         if ( callbackInverse !== callbackExpect ) {
450                                 matches.push( elems[ i ] );
451                         }
452                 }
453
454                 return matches;
455         },
456
457         // arg is for internal usage only
458         map: function( elems, callback, arg ) {
459                 var length, value,
460                         i = 0,
461                         ret = [];
462
463                 // Go through the array, translating each of the items to their new values
464                 if ( isArrayLike( elems ) ) {
465                         length = elems.length;
466                         for ( ; i < length; i++ ) {
467                                 value = callback( elems[ i ], i, arg );
468
469                                 if ( value != null ) {
470                                         ret.push( value );
471                                 }
472                         }
473
474                 // Go through every key on the object,
475                 } else {
476                         for ( i in elems ) {
477                                 value = callback( elems[ i ], i, arg );
478
479                                 if ( value != null ) {
480                                         ret.push( value );
481                                 }
482                         }
483                 }
484
485                 // Flatten any nested arrays
486                 return flat( ret );
487         },
488
489         // A global GUID counter for objects
490         guid: 1,
491
492         // jQuery.support is not used in Core but other projects attach their
493         // properties to it so it needs to exist.
494         support: support
495 } );
496
497 if ( typeof Symbol === "function" ) {
498         jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
499 }
500
501 // Populate the class2type map
502 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
503         function( _i, name ) {
504                 class2type[ "[object " + name + "]" ] = name.toLowerCase();
505         } );
506
507 function isArrayLike( obj ) {
508
509         // Support: real iOS 8.2 only (not reproducible in simulator)
510         // `in` check used to prevent JIT error (gh-2145)
511         // hasOwn isn't used here due to false negatives
512         // regarding Nodelist length in IE
513         var length = !!obj && "length" in obj && obj.length,
514                 type = toType( obj );
515
516         if ( isFunction( obj ) || isWindow( obj ) ) {
517                 return false;
518         }
519
520         return type === "array" || length === 0 ||
521                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
522 }
523 var Sizzle =
524 /*!
525  * Sizzle CSS Selector Engine v2.3.6
526  * https://sizzlejs.com/
527  *
528  * Copyright JS Foundation and other contributors
529  * Released under the MIT license
530  * https://js.foundation/
531  *
532  * Date: 2021-02-16
533  */
534 ( function( window ) {
535 var i,
536         support,
537         Expr,
538         getText,
539         isXML,
540         tokenize,
541         compile,
542         select,
543         outermostContext,
544         sortInput,
545         hasDuplicate,
546
547         // Local document vars
548         setDocument,
549         document,
550         docElem,
551         documentIsHTML,
552         rbuggyQSA,
553         rbuggyMatches,
554         matches,
555         contains,
556
557         // Instance-specific data
558         expando = "sizzle" + 1 * new Date(),
559         preferredDoc = window.document,
560         dirruns = 0,
561         done = 0,
562         classCache = createCache(),
563         tokenCache = createCache(),
564         compilerCache = createCache(),
565         nonnativeSelectorCache = createCache(),
566         sortOrder = function( a, b ) {
567                 if ( a === b ) {
568                         hasDuplicate = true;
569                 }
570                 return 0;
571         },
572
573         // Instance methods
574         hasOwn = ( {} ).hasOwnProperty,
575         arr = [],
576         pop = arr.pop,
577         pushNative = arr.push,
578         push = arr.push,
579         slice = arr.slice,
580
581         // Use a stripped-down indexOf as it's faster than native
582         // https://jsperf.com/thor-indexof-vs-for/5
583         indexOf = function( list, elem ) {
584                 var i = 0,
585                         len = list.length;
586                 for ( ; i < len; i++ ) {
587                         if ( list[ i ] === elem ) {
588                                 return i;
589                         }
590                 }
591                 return -1;
592         },
593
594         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
595                 "ismap|loop|multiple|open|readonly|required|scoped",
596
597         // Regular expressions
598
599         // http://www.w3.org/TR/css3-selectors/#whitespace
600         whitespace = "[\\x20\\t\\r\\n\\f]",
601
602         // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
603         identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
604                 "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
605
606         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
607         attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
608
609                 // Operator (capture 2)
610                 "*([*^$|!~]?=)" + whitespace +
611
612                 // "Attribute values must be CSS identifiers [capture 5]
613                 // or strings [capture 3 or capture 4]"
614                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
615                 whitespace + "*\\]",
616
617         pseudos = ":(" + identifier + ")(?:\\((" +
618
619                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
620                 // 1. quoted (capture 3; capture 4 or capture 5)
621                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
622
623                 // 2. simple (capture 6)
624                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
625
626                 // 3. anything else (capture 2)
627                 ".*" +
628                 ")\\)|)",
629
630         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
631         rwhitespace = new RegExp( whitespace + "+", "g" ),
632         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
633                 whitespace + "+$", "g" ),
634
635         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
636         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
637                 "*" ),
638         rdescend = new RegExp( whitespace + "|>" ),
639
640         rpseudo = new RegExp( pseudos ),
641         ridentifier = new RegExp( "^" + identifier + "$" ),
642
643         matchExpr = {
644                 "ID": new RegExp( "^#(" + identifier + ")" ),
645                 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
646                 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
647                 "ATTR": new RegExp( "^" + attributes ),
648                 "PSEUDO": new RegExp( "^" + pseudos ),
649                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
650                         whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
651                         whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
652                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
653
654                 // For use in libraries implementing .is()
655                 // We use this for POS matching in `select`
656                 "needsContext": new RegExp( "^" + whitespace +
657                         "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
658                         "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
659         },
660
661         rhtml = /HTML$/i,
662         rinputs = /^(?:input|select|textarea|button)$/i,
663         rheader = /^h\d$/i,
664
665         rnative = /^[^{]+\{\s*\[native \w/,
666
667         // Easily-parseable/retrievable ID or TAG or CLASS selectors
668         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
669
670         rsibling = /[+~]/,
671
672         // CSS escapes
673         // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
674         runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
675         funescape = function( escape, nonHex ) {
676                 var high = "0x" + escape.slice( 1 ) - 0x10000;
677
678                 return nonHex ?
679
680                         // Strip the backslash prefix from a non-hex escape sequence
681                         nonHex :
682
683                         // Replace a hexadecimal escape sequence with the encoded Unicode code point
684                         // Support: IE <=11+
685                         // For values outside the Basic Multilingual Plane (BMP), manually construct a
686                         // surrogate pair
687                         high < 0 ?
688                                 String.fromCharCode( high + 0x10000 ) :
689                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
690         },
691
692         // CSS string/identifier serialization
693         // https://drafts.csswg.org/cssom/#common-serializing-idioms
694         rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
695         fcssescape = function( ch, asCodePoint ) {
696                 if ( asCodePoint ) {
697
698                         // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
699                         if ( ch === "\0" ) {
700                                 return "\uFFFD";
701                         }
702
703                         // Control characters and (dependent upon position) numbers get escaped as code points
704                         return ch.slice( 0, -1 ) + "\\" +
705                                 ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
706                 }
707
708                 // Other potentially-special ASCII characters get backslash-escaped
709                 return "\\" + ch;
710         },
711
712         // Used for iframes
713         // See setDocument()
714         // Removing the function wrapper causes a "Permission Denied"
715         // error in IE
716         unloadHandler = function() {
717                 setDocument();
718         },
719
720         inDisabledFieldset = addCombinator(
721                 function( elem ) {
722                         return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
723                 },
724                 { dir: "parentNode", next: "legend" }
725         );
726
727 // Optimize for push.apply( _, NodeList )
728 try {
729         push.apply(
730                 ( arr = slice.call( preferredDoc.childNodes ) ),
731                 preferredDoc.childNodes
732         );
733
734         // Support: Android<4.0
735         // Detect silently failing push.apply
736         // eslint-disable-next-line no-unused-expressions
737         arr[ preferredDoc.childNodes.length ].nodeType;
738 } catch ( e ) {
739         push = { apply: arr.length ?
740
741                 // Leverage slice if possible
742                 function( target, els ) {
743                         pushNative.apply( target, slice.call( els ) );
744                 } :
745
746                 // Support: IE<9
747                 // Otherwise append directly
748                 function( target, els ) {
749                         var j = target.length,
750                                 i = 0;
751
752                         // Can't trust NodeList.length
753                         while ( ( target[ j++ ] = els[ i++ ] ) ) {}
754                         target.length = j - 1;
755                 }
756         };
757 }
758
759 function Sizzle( selector, context, results, seed ) {
760         var m, i, elem, nid, match, groups, newSelector,
761                 newContext = context && context.ownerDocument,
762
763                 // nodeType defaults to 9, since context defaults to document
764                 nodeType = context ? context.nodeType : 9;
765
766         results = results || [];
767
768         // Return early from calls with invalid selector or context
769         if ( typeof selector !== "string" || !selector ||
770                 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
771
772                 return results;
773         }
774
775         // Try to shortcut find operations (as opposed to filters) in HTML documents
776         if ( !seed ) {
777                 setDocument( context );
778                 context = context || document;
779
780                 if ( documentIsHTML ) {
781
782                         // If the selector is sufficiently simple, try using a "get*By*" DOM method
783                         // (excepting DocumentFragment context, where the methods don't exist)
784                         if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
785
786                                 // ID selector
787                                 if ( ( m = match[ 1 ] ) ) {
788
789                                         // Document context
790                                         if ( nodeType === 9 ) {
791                                                 if ( ( elem = context.getElementById( m ) ) ) {
792
793                                                         // Support: IE, Opera, Webkit
794                                                         // TODO: identify versions
795                                                         // getElementById can match elements by name instead of ID
796                                                         if ( elem.id === m ) {
797                                                                 results.push( elem );
798                                                                 return results;
799                                                         }
800                                                 } else {
801                                                         return results;
802                                                 }
803
804                                         // Element context
805                                         } else {
806
807                                                 // Support: IE, Opera, Webkit
808                                                 // TODO: identify versions
809                                                 // getElementById can match elements by name instead of ID
810                                                 if ( newContext && ( elem = newContext.getElementById( m ) ) &&
811                                                         contains( context, elem ) &&
812                                                         elem.id === m ) {
813
814                                                         results.push( elem );
815                                                         return results;
816                                                 }
817                                         }
818
819                                 // Type selector
820                                 } else if ( match[ 2 ] ) {
821                                         push.apply( results, context.getElementsByTagName( selector ) );
822                                         return results;
823
824                                 // Class selector
825                                 } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
826                                         context.getElementsByClassName ) {
827
828                                         push.apply( results, context.getElementsByClassName( m ) );
829                                         return results;
830                                 }
831                         }
832
833                         // Take advantage of querySelectorAll
834                         if ( support.qsa &&
835                                 !nonnativeSelectorCache[ selector + " " ] &&
836                                 ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
837
838                                 // Support: IE 8 only
839                                 // Exclude object elements
840                                 ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
841
842                                 newSelector = selector;
843                                 newContext = context;
844
845                                 // qSA considers elements outside a scoping root when evaluating child or
846                                 // descendant combinators, which is not what we want.
847                                 // In such cases, we work around the behavior by prefixing every selector in the
848                                 // list with an ID selector referencing the scope context.
849                                 // The technique has to be used as well when a leading combinator is used
850                                 // as such selectors are not recognized by querySelectorAll.
851                                 // Thanks to Andrew Dupont for this technique.
852                                 if ( nodeType === 1 &&
853                                         ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
854
855                                         // Expand context for sibling selectors
856                                         newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
857                                                 context;
858
859                                         // We can use :scope instead of the ID hack if the browser
860                                         // supports it & if we're not changing the context.
861                                         if ( newContext !== context || !support.scope ) {
862
863                                                 // Capture the context ID, setting it first if necessary
864                                                 if ( ( nid = context.getAttribute( "id" ) ) ) {
865                                                         nid = nid.replace( rcssescape, fcssescape );
866                                                 } else {
867                                                         context.setAttribute( "id", ( nid = expando ) );
868                                                 }
869                                         }
870
871                                         // Prefix every selector in the list
872                                         groups = tokenize( selector );
873                                         i = groups.length;
874                                         while ( i-- ) {
875                                                 groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
876                                                         toSelector( groups[ i ] );
877                                         }
878                                         newSelector = groups.join( "," );
879                                 }
880
881                                 try {
882                                         push.apply( results,
883                                                 newContext.querySelectorAll( newSelector )
884                                         );
885                                         return results;
886                                 } catch ( qsaError ) {
887                                         nonnativeSelectorCache( selector, true );
888                                 } finally {
889                                         if ( nid === expando ) {
890                                                 context.removeAttribute( "id" );
891                                         }
892                                 }
893                         }
894                 }
895         }
896
897         // All others
898         return select( selector.replace( rtrim, "$1" ), context, results, seed );
899 }
900
901 /**
902  * Create key-value caches of limited size
903  * @returns {function(string, object)} Returns the Object data after storing it on itself with
904  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
905  *      deleting the oldest entry
906  */
907 function createCache() {
908         var keys = [];
909
910         function cache( key, value ) {
911
912                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
913                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
914
915                         // Only keep the most recent entries
916                         delete cache[ keys.shift() ];
917                 }
918                 return ( cache[ key + " " ] = value );
919         }
920         return cache;
921 }
922
923 /**
924  * Mark a function for special use by Sizzle
925  * @param {Function} fn The function to mark
926  */
927 function markFunction( fn ) {
928         fn[ expando ] = true;
929         return fn;
930 }
931
932 /**
933  * Support testing using an element
934  * @param {Function} fn Passed the created element and returns a boolean result
935  */
936 function assert( fn ) {
937         var el = document.createElement( "fieldset" );
938
939         try {
940                 return !!fn( el );
941         } catch ( e ) {
942                 return false;
943         } finally {
944
945                 // Remove from its parent by default
946                 if ( el.parentNode ) {
947                         el.parentNode.removeChild( el );
948                 }
949
950                 // release memory in IE
951                 el = null;
952         }
953 }
954
955 /**
956  * Adds the same handler for all of the specified attrs
957  * @param {String} attrs Pipe-separated list of attributes
958  * @param {Function} handler The method that will be applied
959  */
960 function addHandle( attrs, handler ) {
961         var arr = attrs.split( "|" ),
962                 i = arr.length;
963
964         while ( i-- ) {
965                 Expr.attrHandle[ arr[ i ] ] = handler;
966         }
967 }
968
969 /**
970  * Checks document order of two siblings
971  * @param {Element} a
972  * @param {Element} b
973  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
974  */
975 function siblingCheck( a, b ) {
976         var cur = b && a,
977                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
978                         a.sourceIndex - b.sourceIndex;
979
980         // Use IE sourceIndex if available on both nodes
981         if ( diff ) {
982                 return diff;
983         }
984
985         // Check if b follows a
986         if ( cur ) {
987                 while ( ( cur = cur.nextSibling ) ) {
988                         if ( cur === b ) {
989                                 return -1;
990                         }
991                 }
992         }
993
994         return a ? 1 : -1;
995 }
996
997 /**
998  * Returns a function to use in pseudos for input types
999  * @param {String} type
1000  */
1001 function createInputPseudo( type ) {
1002         return function( elem ) {
1003                 var name = elem.nodeName.toLowerCase();
1004                 return name === "input" && elem.type === type;
1005         };
1006 }
1007
1008 /**
1009  * Returns a function to use in pseudos for buttons
1010  * @param {String} type
1011  */
1012 function createButtonPseudo( type ) {
1013         return function( elem ) {
1014                 var name = elem.nodeName.toLowerCase();
1015                 return ( name === "input" || name === "button" ) && elem.type === type;
1016         };
1017 }
1018
1019 /**
1020  * Returns a function to use in pseudos for :enabled/:disabled
1021  * @param {Boolean} disabled true for :disabled; false for :enabled
1022  */
1023 function createDisabledPseudo( disabled ) {
1024
1025         // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1026         return function( elem ) {
1027
1028                 // Only certain elements can match :enabled or :disabled
1029                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1030                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1031                 if ( "form" in elem ) {
1032
1033                         // Check for inherited disabledness on relevant non-disabled elements:
1034                         // * listed form-associated elements in a disabled fieldset
1035                         //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
1036                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1037                         // * option elements in a disabled optgroup
1038                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1039                         // All such elements have a "form" property.
1040                         if ( elem.parentNode && elem.disabled === false ) {
1041
1042                                 // Option elements defer to a parent optgroup if present
1043                                 if ( "label" in elem ) {
1044                                         if ( "label" in elem.parentNode ) {
1045                                                 return elem.parentNode.disabled === disabled;
1046                                         } else {
1047                                                 return elem.disabled === disabled;
1048                                         }
1049                                 }
1050
1051                                 // Support: IE 6 - 11
1052                                 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1053                                 return elem.isDisabled === disabled ||
1054
1055                                         // Where there is no isDisabled, check manually
1056                                         /* jshint -W018 */
1057                                         elem.isDisabled !== !disabled &&
1058                                         inDisabledFieldset( elem ) === disabled;
1059                         }
1060
1061                         return elem.disabled === disabled;
1062
1063                 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1064                 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1065                 // even exist on them, let alone have a boolean value.
1066                 } else if ( "label" in elem ) {
1067                         return elem.disabled === disabled;
1068                 }
1069
1070                 // Remaining elements are neither :enabled nor :disabled
1071                 return false;
1072         };
1073 }
1074
1075 /**
1076  * Returns a function to use in pseudos for positionals
1077  * @param {Function} fn
1078  */
1079 function createPositionalPseudo( fn ) {
1080         return markFunction( function( argument ) {
1081                 argument = +argument;
1082                 return markFunction( function( seed, matches ) {
1083                         var j,
1084                                 matchIndexes = fn( [], seed.length, argument ),
1085                                 i = matchIndexes.length;
1086
1087                         // Match elements found at the specified indexes
1088                         while ( i-- ) {
1089                                 if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1090                                         seed[ j ] = !( matches[ j ] = seed[ j ] );
1091                                 }
1092                         }
1093                 } );
1094         } );
1095 }
1096
1097 /**
1098  * Checks a node for validity as a Sizzle context
1099  * @param {Element|Object=} context
1100  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1101  */
1102 function testContext( context ) {
1103         return context && typeof context.getElementsByTagName !== "undefined" && context;
1104 }
1105
1106 // Expose support vars for convenience
1107 support = Sizzle.support = {};
1108
1109 /**
1110  * Detects XML nodes
1111  * @param {Element|Object} elem An element or a document
1112  * @returns {Boolean} True iff elem is a non-HTML XML node
1113  */
1114 isXML = Sizzle.isXML = function( elem ) {
1115         var namespace = elem && elem.namespaceURI,
1116                 docElem = elem && ( elem.ownerDocument || elem ).documentElement;
1117
1118         // Support: IE <=8
1119         // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1120         // https://bugs.jquery.com/ticket/4833
1121         return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1122 };
1123
1124 /**
1125  * Sets document-related variables once based on the current document
1126  * @param {Element|Object} [doc] An element or document object to use to set the document
1127  * @returns {Object} Returns the current document
1128  */
1129 setDocument = Sizzle.setDocument = function( node ) {
1130         var hasCompare, subWindow,
1131                 doc = node ? node.ownerDocument || node : preferredDoc;
1132
1133         // Return early if doc is invalid or already selected
1134         // Support: IE 11+, Edge 17 - 18+
1135         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1136         // two documents; shallow comparisons work.
1137         // eslint-disable-next-line eqeqeq
1138         if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1139                 return document;
1140         }
1141
1142         // Update global variables
1143         document = doc;
1144         docElem = document.documentElement;
1145         documentIsHTML = !isXML( document );
1146
1147         // Support: IE 9 - 11+, Edge 12 - 18+
1148         // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1149         // Support: IE 11+, Edge 17 - 18+
1150         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1151         // two documents; shallow comparisons work.
1152         // eslint-disable-next-line eqeqeq
1153         if ( preferredDoc != document &&
1154                 ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1155
1156                 // Support: IE 11, Edge
1157                 if ( subWindow.addEventListener ) {
1158                         subWindow.addEventListener( "unload", unloadHandler, false );
1159
1160                 // Support: IE 9 - 10 only
1161                 } else if ( subWindow.attachEvent ) {
1162                         subWindow.attachEvent( "onunload", unloadHandler );
1163                 }
1164         }
1165
1166         // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
1167         // Safari 4 - 5 only, Opera <=11.6 - 12.x only
1168         // IE/Edge & older browsers don't support the :scope pseudo-class.
1169         // Support: Safari 6.0 only
1170         // Safari 6.0 supports :scope but it's an alias of :root there.
1171         support.scope = assert( function( el ) {
1172                 docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
1173                 return typeof el.querySelectorAll !== "undefined" &&
1174                         !el.querySelectorAll( ":scope fieldset div" ).length;
1175         } );
1176
1177         /* Attributes
1178         ---------------------------------------------------------------------- */
1179
1180         // Support: IE<8
1181         // Verify that getAttribute really returns attributes and not properties
1182         // (excepting IE8 booleans)
1183         support.attributes = assert( function( el ) {
1184                 el.className = "i";
1185                 return !el.getAttribute( "className" );
1186         } );
1187
1188         /* getElement(s)By*
1189         ---------------------------------------------------------------------- */
1190
1191         // Check if getElementsByTagName("*") returns only elements
1192         support.getElementsByTagName = assert( function( el ) {
1193                 el.appendChild( document.createComment( "" ) );
1194                 return !el.getElementsByTagName( "*" ).length;
1195         } );
1196
1197         // Support: IE<9
1198         support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1199
1200         // Support: IE<10
1201         // Check if getElementById returns elements by name
1202         // The broken getElementById methods don't pick up programmatically-set names,
1203         // so use a roundabout getElementsByName test
1204         support.getById = assert( function( el ) {
1205                 docElem.appendChild( el ).id = expando;
1206                 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1207         } );
1208
1209         // ID filter and find
1210         if ( support.getById ) {
1211                 Expr.filter[ "ID" ] = function( id ) {
1212                         var attrId = id.replace( runescape, funescape );
1213                         return function( elem ) {
1214                                 return elem.getAttribute( "id" ) === attrId;
1215                         };
1216                 };
1217                 Expr.find[ "ID" ] = function( id, context ) {
1218                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1219                                 var elem = context.getElementById( id );
1220                                 return elem ? [ elem ] : [];
1221                         }
1222                 };
1223         } else {
1224                 Expr.filter[ "ID" ] =  function( id ) {
1225                         var attrId = id.replace( runescape, funescape );
1226                         return function( elem ) {
1227                                 var node = typeof elem.getAttributeNode !== "undefined" &&
1228                                         elem.getAttributeNode( "id" );
1229                                 return node && node.value === attrId;
1230                         };
1231                 };
1232
1233                 // Support: IE 6 - 7 only
1234                 // getElementById is not reliable as a find shortcut
1235                 Expr.find[ "ID" ] = function( id, context ) {
1236                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1237                                 var node, i, elems,
1238                                         elem = context.getElementById( id );
1239
1240                                 if ( elem ) {
1241
1242                                         // Verify the id attribute
1243                                         node = elem.getAttributeNode( "id" );
1244                                         if ( node && node.value === id ) {
1245                                                 return [ elem ];
1246                                         }
1247
1248                                         // Fall back on getElementsByName
1249                                         elems = context.getElementsByName( id );
1250                                         i = 0;
1251                                         while ( ( elem = elems[ i++ ] ) ) {
1252                                                 node = elem.getAttributeNode( "id" );
1253                                                 if ( node && node.value === id ) {
1254                                                         return [ elem ];
1255                                                 }
1256                                         }
1257                                 }
1258
1259                                 return [];
1260                         }
1261                 };
1262         }
1263
1264         // Tag
1265         Expr.find[ "TAG" ] = support.getElementsByTagName ?
1266                 function( tag, context ) {
1267                         if ( typeof context.getElementsByTagName !== "undefined" ) {
1268                                 return context.getElementsByTagName( tag );
1269
1270                         // DocumentFragment nodes don't have gEBTN
1271                         } else if ( support.qsa ) {
1272                                 return context.querySelectorAll( tag );
1273                         }
1274                 } :
1275
1276                 function( tag, context ) {
1277                         var elem,
1278                                 tmp = [],
1279                                 i = 0,
1280
1281                                 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1282                                 results = context.getElementsByTagName( tag );
1283
1284                         // Filter out possible comments
1285                         if ( tag === "*" ) {
1286                                 while ( ( elem = results[ i++ ] ) ) {
1287                                         if ( elem.nodeType === 1 ) {
1288                                                 tmp.push( elem );
1289                                         }
1290                                 }
1291
1292                                 return tmp;
1293                         }
1294                         return results;
1295                 };
1296
1297         // Class
1298         Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
1299                 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1300                         return context.getElementsByClassName( className );
1301                 }
1302         };
1303
1304         /* QSA/matchesSelector
1305         ---------------------------------------------------------------------- */
1306
1307         // QSA and matchesSelector support
1308
1309         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1310         rbuggyMatches = [];
1311
1312         // qSa(:focus) reports false when true (Chrome 21)
1313         // We allow this because of a bug in IE8/9 that throws an error
1314         // whenever `document.activeElement` is accessed on an iframe
1315         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1316         // See https://bugs.jquery.com/ticket/13378
1317         rbuggyQSA = [];
1318
1319         if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
1320
1321                 // Build QSA regex
1322                 // Regex strategy adopted from Diego Perini
1323                 assert( function( el ) {
1324
1325                         var input;
1326
1327                         // Select is set to empty string on purpose
1328                         // This is to test IE's treatment of not explicitly
1329                         // setting a boolean content attribute,
1330                         // since its presence should be enough
1331                         // https://bugs.jquery.com/ticket/12359
1332                         docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1333                                 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1334                                 "<option selected=''></option></select>";
1335
1336                         // Support: IE8, Opera 11-12.16
1337                         // Nothing should be selected when empty strings follow ^= or $= or *=
1338                         // The test attribute must be unknown in Opera but "safe" for WinRT
1339                         // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1340                         if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
1341                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1342                         }
1343
1344                         // Support: IE8
1345                         // Boolean attributes and "value" are not treated correctly
1346                         if ( !el.querySelectorAll( "[selected]" ).length ) {
1347                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1348                         }
1349
1350                         // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1351                         if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1352                                 rbuggyQSA.push( "~=" );
1353                         }
1354
1355                         // Support: IE 11+, Edge 15 - 18+
1356                         // IE 11/Edge don't find elements on a `[name='']` query in some cases.
1357                         // Adding a temporary attribute to the document before the selection works
1358                         // around the issue.
1359                         // Interestingly, IE 10 & older don't seem to have the issue.
1360                         input = document.createElement( "input" );
1361                         input.setAttribute( "name", "" );
1362                         el.appendChild( input );
1363                         if ( !el.querySelectorAll( "[name='']" ).length ) {
1364                                 rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1365                                         whitespace + "*(?:''|\"\")" );
1366                         }
1367
1368                         // Webkit/Opera - :checked should return selected option elements
1369                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1370                         // IE8 throws error here and will not see later tests
1371                         if ( !el.querySelectorAll( ":checked" ).length ) {
1372                                 rbuggyQSA.push( ":checked" );
1373                         }
1374
1375                         // Support: Safari 8+, iOS 8+
1376                         // https://bugs.webkit.org/show_bug.cgi?id=136851
1377                         // In-page `selector#id sibling-combinator selector` fails
1378                         if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1379                                 rbuggyQSA.push( ".#.+[+~]" );
1380                         }
1381
1382                         // Support: Firefox <=3.6 - 5 only
1383                         // Old Firefox doesn't throw on a badly-escaped identifier.
1384                         el.querySelectorAll( "\\\f" );
1385                         rbuggyQSA.push( "[\\r\\n\\f]" );
1386                 } );
1387
1388                 assert( function( el ) {
1389                         el.innerHTML = "<a href='' disabled='disabled'></a>" +
1390                                 "<select disabled='disabled'><option/></select>";
1391
1392                         // Support: Windows 8 Native Apps
1393                         // The type and name attributes are restricted during .innerHTML assignment
1394                         var input = document.createElement( "input" );
1395                         input.setAttribute( "type", "hidden" );
1396                         el.appendChild( input ).setAttribute( "name", "D" );
1397
1398                         // Support: IE8
1399                         // Enforce case-sensitivity of name attribute
1400                         if ( el.querySelectorAll( "[name=d]" ).length ) {
1401                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1402                         }
1403
1404                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1405                         // IE8 throws error here and will not see later tests
1406                         if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
1407                                 rbuggyQSA.push( ":enabled", ":disabled" );
1408                         }
1409
1410                         // Support: IE9-11+
1411                         // IE's :disabled selector does not pick up the children of disabled fieldsets
1412                         docElem.appendChild( el ).disabled = true;
1413                         if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1414                                 rbuggyQSA.push( ":enabled", ":disabled" );
1415                         }
1416
1417                         // Support: Opera 10 - 11 only
1418                         // Opera 10-11 does not throw on post-comma invalid pseudos
1419                         el.querySelectorAll( "*,:x" );
1420                         rbuggyQSA.push( ",.*:" );
1421                 } );
1422         }
1423
1424         if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
1425                 docElem.webkitMatchesSelector ||
1426                 docElem.mozMatchesSelector ||
1427                 docElem.oMatchesSelector ||
1428                 docElem.msMatchesSelector ) ) ) ) {
1429
1430                 assert( function( el ) {
1431
1432                         // Check to see if it's possible to do matchesSelector
1433                         // on a disconnected node (IE 9)
1434                         support.disconnectedMatch = matches.call( el, "*" );
1435
1436                         // This should fail with an exception
1437                         // Gecko does not error, returns false instead
1438                         matches.call( el, "[s!='']:x" );
1439                         rbuggyMatches.push( "!=", pseudos );
1440                 } );
1441         }
1442
1443         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1444         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
1445
1446         /* Contains
1447         ---------------------------------------------------------------------- */
1448         hasCompare = rnative.test( docElem.compareDocumentPosition );
1449
1450         // Element contains another
1451         // Purposefully self-exclusive
1452         // As in, an element does not contain itself
1453         contains = hasCompare || rnative.test( docElem.contains ) ?
1454                 function( a, b ) {
1455                         var adown = a.nodeType === 9 ? a.documentElement : a,
1456                                 bup = b && b.parentNode;
1457                         return a === bup || !!( bup && bup.nodeType === 1 && (
1458                                 adown.contains ?
1459                                         adown.contains( bup ) :
1460                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1461                         ) );
1462                 } :
1463                 function( a, b ) {
1464                         if ( b ) {
1465                                 while ( ( b = b.parentNode ) ) {
1466                                         if ( b === a ) {
1467                                                 return true;
1468                                         }
1469                                 }
1470                         }
1471                         return false;
1472                 };
1473
1474         /* Sorting
1475         ---------------------------------------------------------------------- */
1476
1477         // Document order sorting
1478         sortOrder = hasCompare ?
1479         function( a, b ) {
1480
1481                 // Flag for duplicate removal
1482                 if ( a === b ) {
1483                         hasDuplicate = true;
1484                         return 0;
1485                 }
1486
1487                 // Sort on method existence if only one input has compareDocumentPosition
1488                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1489                 if ( compare ) {
1490                         return compare;
1491                 }
1492
1493                 // Calculate position if both inputs belong to the same document
1494                 // Support: IE 11+, Edge 17 - 18+
1495                 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1496                 // two documents; shallow comparisons work.
1497                 // eslint-disable-next-line eqeqeq
1498                 compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1499                         a.compareDocumentPosition( b ) :
1500
1501                         // Otherwise we know they are disconnected
1502                         1;
1503
1504                 // Disconnected nodes
1505                 if ( compare & 1 ||
1506                         ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1507
1508                         // Choose the first element that is related to our preferred document
1509                         // Support: IE 11+, Edge 17 - 18+
1510                         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1511                         // two documents; shallow comparisons work.
1512                         // eslint-disable-next-line eqeqeq
1513                         if ( a == document || a.ownerDocument == preferredDoc &&
1514                                 contains( preferredDoc, a ) ) {
1515                                 return -1;
1516                         }
1517
1518                         // Support: IE 11+, Edge 17 - 18+
1519                         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1520                         // two documents; shallow comparisons work.
1521                         // eslint-disable-next-line eqeqeq
1522                         if ( b == document || b.ownerDocument == preferredDoc &&
1523                                 contains( preferredDoc, b ) ) {
1524                                 return 1;
1525                         }
1526
1527                         // Maintain original order
1528                         return sortInput ?
1529                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1530                                 0;
1531                 }
1532
1533                 return compare & 4 ? -1 : 1;
1534         } :
1535         function( a, b ) {
1536
1537                 // Exit early if the nodes are identical
1538                 if ( a === b ) {
1539                         hasDuplicate = true;
1540                         return 0;
1541                 }
1542
1543                 var cur,
1544                         i = 0,
1545                         aup = a.parentNode,
1546                         bup = b.parentNode,
1547                         ap = [ a ],
1548                         bp = [ b ];
1549
1550                 // Parentless nodes are either documents or disconnected
1551                 if ( !aup || !bup ) {
1552
1553                         // Support: IE 11+, Edge 17 - 18+
1554                         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1555                         // two documents; shallow comparisons work.
1556                         /* eslint-disable eqeqeq */
1557                         return a == document ? -1 :
1558                                 b == document ? 1 :
1559                                 /* eslint-enable eqeqeq */
1560                                 aup ? -1 :
1561                                 bup ? 1 :
1562                                 sortInput ?
1563                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1564                                 0;
1565
1566                 // If the nodes are siblings, we can do a quick check
1567                 } else if ( aup === bup ) {
1568                         return siblingCheck( a, b );
1569                 }
1570
1571                 // Otherwise we need full lists of their ancestors for comparison
1572                 cur = a;
1573                 while ( ( cur = cur.parentNode ) ) {
1574                         ap.unshift( cur );
1575                 }
1576                 cur = b;
1577                 while ( ( cur = cur.parentNode ) ) {
1578                         bp.unshift( cur );
1579                 }
1580
1581                 // Walk down the tree looking for a discrepancy
1582                 while ( ap[ i ] === bp[ i ] ) {
1583                         i++;
1584                 }
1585
1586                 return i ?
1587
1588                         // Do a sibling check if the nodes have a common ancestor
1589                         siblingCheck( ap[ i ], bp[ i ] ) :
1590
1591                         // Otherwise nodes in our document sort first
1592                         // Support: IE 11+, Edge 17 - 18+
1593                         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1594                         // two documents; shallow comparisons work.
1595                         /* eslint-disable eqeqeq */
1596                         ap[ i ] == preferredDoc ? -1 :
1597                         bp[ i ] == preferredDoc ? 1 :
1598                         /* eslint-enable eqeqeq */
1599                         0;
1600         };
1601
1602         return document;
1603 };
1604
1605 Sizzle.matches = function( expr, elements ) {
1606         return Sizzle( expr, null, null, elements );
1607 };
1608
1609 Sizzle.matchesSelector = function( elem, expr ) {
1610         setDocument( elem );
1611
1612         if ( support.matchesSelector && documentIsHTML &&
1613                 !nonnativeSelectorCache[ expr + " " ] &&
1614                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1615                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1616
1617                 try {
1618                         var ret = matches.call( elem, expr );
1619
1620                         // IE 9's matchesSelector returns false on disconnected nodes
1621                         if ( ret || support.disconnectedMatch ||
1622
1623                                 // As well, disconnected nodes are said to be in a document
1624                                 // fragment in IE 9
1625                                 elem.document && elem.document.nodeType !== 11 ) {
1626                                 return ret;
1627                         }
1628                 } catch ( e ) {
1629                         nonnativeSelectorCache( expr, true );
1630                 }
1631         }
1632
1633         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1634 };
1635
1636 Sizzle.contains = function( context, elem ) {
1637
1638         // Set document vars if needed
1639         // Support: IE 11+, Edge 17 - 18+
1640         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1641         // two documents; shallow comparisons work.
1642         // eslint-disable-next-line eqeqeq
1643         if ( ( context.ownerDocument || context ) != document ) {
1644                 setDocument( context );
1645         }
1646         return contains( context, elem );
1647 };
1648
1649 Sizzle.attr = function( elem, name ) {
1650
1651         // Set document vars if needed
1652         // Support: IE 11+, Edge 17 - 18+
1653         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1654         // two documents; shallow comparisons work.
1655         // eslint-disable-next-line eqeqeq
1656         if ( ( elem.ownerDocument || elem ) != document ) {
1657                 setDocument( elem );
1658         }
1659
1660         var fn = Expr.attrHandle[ name.toLowerCase() ],
1661
1662                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1663                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1664                         fn( elem, name, !documentIsHTML ) :
1665                         undefined;
1666
1667         return val !== undefined ?
1668                 val :
1669                 support.attributes || !documentIsHTML ?
1670                         elem.getAttribute( name ) :
1671                         ( val = elem.getAttributeNode( name ) ) && val.specified ?
1672                                 val.value :
1673                                 null;
1674 };
1675
1676 Sizzle.escape = function( sel ) {
1677         return ( sel + "" ).replace( rcssescape, fcssescape );
1678 };
1679
1680 Sizzle.error = function( msg ) {
1681         throw new Error( "Syntax error, unrecognized expression: " + msg );
1682 };
1683
1684 /**
1685  * Document sorting and removing duplicates
1686  * @param {ArrayLike} results
1687  */
1688 Sizzle.uniqueSort = function( results ) {
1689         var elem,
1690                 duplicates = [],
1691                 j = 0,
1692                 i = 0;
1693
1694         // Unless we *know* we can detect duplicates, assume their presence
1695         hasDuplicate = !support.detectDuplicates;
1696         sortInput = !support.sortStable && results.slice( 0 );
1697         results.sort( sortOrder );
1698
1699         if ( hasDuplicate ) {
1700                 while ( ( elem = results[ i++ ] ) ) {
1701                         if ( elem === results[ i ] ) {
1702                                 j = duplicates.push( i );
1703                         }
1704                 }
1705                 while ( j-- ) {
1706                         results.splice( duplicates[ j ], 1 );
1707                 }
1708         }
1709
1710         // Clear input after sorting to release objects
1711         // See https://github.com/jquery/sizzle/pull/225
1712         sortInput = null;
1713
1714         return results;
1715 };
1716
1717 /**
1718  * Utility function for retrieving the text value of an array of DOM nodes
1719  * @param {Array|Element} elem
1720  */
1721 getText = Sizzle.getText = function( elem ) {
1722         var node,
1723                 ret = "",
1724                 i = 0,
1725                 nodeType = elem.nodeType;
1726
1727         if ( !nodeType ) {
1728
1729                 // If no nodeType, this is expected to be an array
1730                 while ( ( node = elem[ i++ ] ) ) {
1731
1732                         // Do not traverse comment nodes
1733                         ret += getText( node );
1734                 }
1735         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1736
1737                 // Use textContent for elements
1738                 // innerText usage removed for consistency of new lines (jQuery #11153)
1739                 if ( typeof elem.textContent === "string" ) {
1740                         return elem.textContent;
1741                 } else {
1742
1743                         // Traverse its children
1744                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1745                                 ret += getText( elem );
1746                         }
1747                 }
1748         } else if ( nodeType === 3 || nodeType === 4 ) {
1749                 return elem.nodeValue;
1750         }
1751
1752         // Do not include comment or processing instruction nodes
1753
1754         return ret;
1755 };
1756
1757 Expr = Sizzle.selectors = {
1758
1759         // Can be adjusted by the user
1760         cacheLength: 50,
1761
1762         createPseudo: markFunction,
1763
1764         match: matchExpr,
1765
1766         attrHandle: {},
1767
1768         find: {},
1769
1770         relative: {
1771                 ">": { dir: "parentNode", first: true },
1772                 " ": { dir: "parentNode" },
1773                 "+": { dir: "previousSibling", first: true },
1774                 "~": { dir: "previousSibling" }
1775         },
1776
1777         preFilter: {
1778                 "ATTR": function( match ) {
1779                         match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1780
1781                         // Move the given value to match[3] whether quoted or unquoted
1782                         match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
1783                                 match[ 5 ] || "" ).replace( runescape, funescape );
1784
1785                         if ( match[ 2 ] === "~=" ) {
1786                                 match[ 3 ] = " " + match[ 3 ] + " ";
1787                         }
1788
1789                         return match.slice( 0, 4 );
1790                 },
1791
1792                 "CHILD": function( match ) {
1793
1794                         /* matches from matchExpr["CHILD"]
1795                                 1 type (only|nth|...)
1796                                 2 what (child|of-type)
1797                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1798                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1799                                 5 sign of xn-component
1800                                 6 x of xn-component
1801                                 7 sign of y-component
1802                                 8 y of y-component
1803                         */
1804                         match[ 1 ] = match[ 1 ].toLowerCase();
1805
1806                         if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1807
1808                                 // nth-* requires argument
1809                                 if ( !match[ 3 ] ) {
1810                                         Sizzle.error( match[ 0 ] );
1811                                 }
1812
1813                                 // numeric x and y parameters for Expr.filter.CHILD
1814                                 // remember that false/true cast respectively to 0/1
1815                                 match[ 4 ] = +( match[ 4 ] ?
1816                                         match[ 5 ] + ( match[ 6 ] || 1 ) :
1817                                         2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
1818                                 match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1819
1820                                 // other types prohibit arguments
1821                         } else if ( match[ 3 ] ) {
1822                                 Sizzle.error( match[ 0 ] );
1823                         }
1824
1825                         return match;
1826                 },
1827
1828                 "PSEUDO": function( match ) {
1829                         var excess,
1830                                 unquoted = !match[ 6 ] && match[ 2 ];
1831
1832                         if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
1833                                 return null;
1834                         }
1835
1836                         // Accept quoted arguments as-is
1837                         if ( match[ 3 ] ) {
1838                                 match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1839
1840                         // Strip excess characters from unquoted arguments
1841                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1842
1843                                 // Get excess from tokenize (recursively)
1844                                 ( excess = tokenize( unquoted, true ) ) &&
1845
1846                                 // advance to the next closing parenthesis
1847                                 ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1848
1849                                 // excess is a negative index
1850                                 match[ 0 ] = match[ 0 ].slice( 0, excess );
1851                                 match[ 2 ] = unquoted.slice( 0, excess );
1852                         }
1853
1854                         // Return only captures needed by the pseudo filter method (type and argument)
1855                         return match.slice( 0, 3 );
1856                 }
1857         },
1858
1859         filter: {
1860
1861                 "TAG": function( nodeNameSelector ) {
1862                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1863                         return nodeNameSelector === "*" ?
1864                                 function() {
1865                                         return true;
1866                                 } :
1867                                 function( elem ) {
1868                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1869                                 };
1870                 },
1871
1872                 "CLASS": function( className ) {
1873                         var pattern = classCache[ className + " " ];
1874
1875                         return pattern ||
1876                                 ( pattern = new RegExp( "(^|" + whitespace +
1877                                         ")" + className + "(" + whitespace + "|$)" ) ) && classCache(
1878                                                 className, function( elem ) {
1879                                                         return pattern.test(
1880                                                                 typeof elem.className === "string" && elem.className ||
1881                                                                 typeof elem.getAttribute !== "undefined" &&
1882                                                                         elem.getAttribute( "class" ) ||
1883                                                                 ""
1884                                                         );
1885                                 } );
1886                 },
1887
1888                 "ATTR": function( name, operator, check ) {
1889                         return function( elem ) {
1890                                 var result = Sizzle.attr( elem, name );
1891
1892                                 if ( result == null ) {
1893                                         return operator === "!=";
1894                                 }
1895                                 if ( !operator ) {
1896                                         return true;
1897                                 }
1898
1899                                 result += "";
1900
1901                                 /* eslint-disable max-len */
1902
1903                                 return operator === "=" ? result === check :
1904                                         operator === "!=" ? result !== check :
1905                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1906                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1907                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1908                                         operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1909                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1910                                         false;
1911                                 /* eslint-enable max-len */
1912
1913                         };
1914                 },
1915
1916                 "CHILD": function( type, what, _argument, first, last ) {
1917                         var simple = type.slice( 0, 3 ) !== "nth",
1918                                 forward = type.slice( -4 ) !== "last",
1919                                 ofType = what === "of-type";
1920
1921                         return first === 1 && last === 0 ?
1922
1923                                 // Shortcut for :nth-*(n)
1924                                 function( elem ) {
1925                                         return !!elem.parentNode;
1926                                 } :
1927
1928                                 function( elem, _context, xml ) {
1929                                         var cache, uniqueCache, outerCache, node, nodeIndex, start,
1930                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1931                                                 parent = elem.parentNode,
1932                                                 name = ofType && elem.nodeName.toLowerCase(),
1933                                                 useCache = !xml && !ofType,
1934                                                 diff = false;
1935
1936                                         if ( parent ) {
1937
1938                                                 // :(first|last|only)-(child|of-type)
1939                                                 if ( simple ) {
1940                                                         while ( dir ) {
1941                                                                 node = elem;
1942                                                                 while ( ( node = node[ dir ] ) ) {
1943                                                                         if ( ofType ?
1944                                                                                 node.nodeName.toLowerCase() === name :
1945                                                                                 node.nodeType === 1 ) {
1946
1947                                                                                 return false;
1948                                                                         }
1949                                                                 }
1950
1951                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1952                                                                 start = dir = type === "only" && !start && "nextSibling";
1953                                                         }
1954                                                         return true;
1955                                                 }
1956
1957                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1958
1959                                                 // non-xml :nth-child(...) stores cache data on `parent`
1960                                                 if ( forward && useCache ) {
1961
1962                                                         // Seek `elem` from a previously-cached index
1963
1964                                                         // ...in a gzip-friendly way
1965                                                         node = parent;
1966                                                         outerCache = node[ expando ] || ( node[ expando ] = {} );
1967
1968                                                         // Support: IE <9 only
1969                                                         // Defend against cloned attroperties (jQuery gh-1709)
1970                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1971                                                                 ( outerCache[ node.uniqueID ] = {} );
1972
1973                                                         cache = uniqueCache[ type ] || [];
1974                                                         nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1975                                                         diff = nodeIndex && cache[ 2 ];
1976                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1977
1978                                                         while ( ( node = ++nodeIndex && node && node[ dir ] ||
1979
1980                                                                 // Fallback to seeking `elem` from the start
1981                                                                 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1982
1983                                                                 // When found, cache indexes on `parent` and break
1984                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1985                                                                         uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1986                                                                         break;
1987                                                                 }
1988                                                         }
1989
1990                                                 } else {
1991
1992                                                         // Use previously-cached element index if available
1993                                                         if ( useCache ) {
1994
1995                                                                 // ...in a gzip-friendly way
1996                                                                 node = elem;
1997                                                                 outerCache = node[ expando ] || ( node[ expando ] = {} );
1998
1999                                                                 // Support: IE <9 only
2000                                                                 // Defend against cloned attroperties (jQuery gh-1709)
2001                                                                 uniqueCache = outerCache[ node.uniqueID ] ||
2002                                                                         ( outerCache[ node.uniqueID ] = {} );
2003
2004                                                                 cache = uniqueCache[ type ] || [];
2005                                                                 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
2006                                                                 diff = nodeIndex;
2007                                                         }
2008
2009                                                         // xml :nth-child(...)
2010                                                         // or :nth-last-child(...) or :nth(-last)?-of-type(...)
2011                                                         if ( diff === false ) {
2012
2013                                                                 // Use the same loop as above to seek `elem` from the start
2014                                                                 while ( ( node = ++nodeIndex && node && node[ dir ] ||
2015                                                                         ( diff = nodeIndex = 0 ) || start.pop() ) ) {
2016
2017                                                                         if ( ( ofType ?
2018                                                                                 node.nodeName.toLowerCase() === name :
2019                                                                                 node.nodeType === 1 ) &&
2020                                                                                 ++diff ) {
2021
2022                                                                                 // Cache the index of each encountered element
2023                                                                                 if ( useCache ) {
2024                                                                                         outerCache = node[ expando ] ||
2025                                                                                                 ( node[ expando ] = {} );
2026
2027                                                                                         // Support: IE <9 only
2028                                                                                         // Defend against cloned attroperties (jQuery gh-1709)
2029                                                                                         uniqueCache = outerCache[ node.uniqueID ] ||
2030                                                                                                 ( outerCache[ node.uniqueID ] = {} );
2031
2032                                                                                         uniqueCache[ type ] = [ dirruns, diff ];
2033                                                                                 }
2034
2035                                                                                 if ( node === elem ) {
2036                                                                                         break;
2037                                                                                 }
2038                                                                         }
2039                                                                 }
2040                                                         }
2041                                                 }
2042
2043                                                 // Incorporate the offset, then check against cycle size
2044                                                 diff -= last;
2045                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
2046                                         }
2047                                 };
2048                 },
2049
2050                 "PSEUDO": function( pseudo, argument ) {
2051
2052                         // pseudo-class names are case-insensitive
2053                         // http://www.w3.org/TR/selectors/#pseudo-classes
2054                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2055                         // Remember that setFilters inherits from pseudos
2056                         var args,
2057                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2058                                         Sizzle.error( "unsupported pseudo: " + pseudo );
2059
2060                         // The user may use createPseudo to indicate that
2061                         // arguments are needed to create the filter function
2062                         // just as Sizzle does
2063                         if ( fn[ expando ] ) {
2064                                 return fn( argument );
2065                         }
2066
2067                         // But maintain support for old signatures
2068                         if ( fn.length > 1 ) {
2069                                 args = [ pseudo, pseudo, "", argument ];
2070                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2071                                         markFunction( function( seed, matches ) {
2072                                                 var idx,
2073                                                         matched = fn( seed, argument ),
2074                                                         i = matched.length;
2075                                                 while ( i-- ) {
2076                                                         idx = indexOf( seed, matched[ i ] );
2077                                                         seed[ idx ] = !( matches[ idx ] = matched[ i ] );
2078                                                 }
2079                                         } ) :
2080                                         function( elem ) {
2081                                                 return fn( elem, 0, args );
2082                                         };
2083                         }
2084
2085                         return fn;
2086                 }
2087         },
2088
2089         pseudos: {
2090
2091                 // Potentially complex pseudos
2092                 "not": markFunction( function( selector ) {
2093
2094                         // Trim the selector passed to compile
2095                         // to avoid treating leading and trailing
2096                         // spaces as combinators
2097                         var input = [],
2098                                 results = [],
2099                                 matcher = compile( selector.replace( rtrim, "$1" ) );
2100
2101                         return matcher[ expando ] ?
2102                                 markFunction( function( seed, matches, _context, xml ) {
2103                                         var elem,
2104                                                 unmatched = matcher( seed, null, xml, [] ),
2105                                                 i = seed.length;
2106
2107                                         // Match elements unmatched by `matcher`
2108                                         while ( i-- ) {
2109                                                 if ( ( elem = unmatched[ i ] ) ) {
2110                                                         seed[ i ] = !( matches[ i ] = elem );
2111                                                 }
2112                                         }
2113                                 } ) :
2114                                 function( elem, _context, xml ) {
2115                                         input[ 0 ] = elem;
2116                                         matcher( input, null, xml, results );
2117
2118                                         // Don't keep the element (issue #299)
2119                                         input[ 0 ] = null;
2120                                         return !results.pop();
2121                                 };
2122                 } ),
2123
2124                 "has": markFunction( function( selector ) {
2125                         return function( elem ) {
2126                                 return Sizzle( selector, elem ).length > 0;
2127                         };
2128                 } ),
2129
2130                 "contains": markFunction( function( text ) {
2131                         text = text.replace( runescape, funescape );
2132                         return function( elem ) {
2133                                 return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
2134                         };
2135                 } ),
2136
2137                 // "Whether an element is represented by a :lang() selector
2138                 // is based solely on the element's language value
2139                 // being equal to the identifier C,
2140                 // or beginning with the identifier C immediately followed by "-".
2141                 // The matching of C against the element's language value is performed case-insensitively.
2142                 // The identifier C does not have to be a valid language name."
2143                 // http://www.w3.org/TR/selectors/#lang-pseudo
2144                 "lang": markFunction( function( lang ) {
2145
2146                         // lang value must be a valid identifier
2147                         if ( !ridentifier.test( lang || "" ) ) {
2148                                 Sizzle.error( "unsupported lang: " + lang );
2149                         }
2150                         lang = lang.replace( runescape, funescape ).toLowerCase();
2151                         return function( elem ) {
2152                                 var elemLang;
2153                                 do {
2154                                         if ( ( elemLang = documentIsHTML ?
2155                                                 elem.lang :
2156                                                 elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
2157
2158                                                 elemLang = elemLang.toLowerCase();
2159                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2160                                         }
2161                                 } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
2162                                 return false;
2163                         };
2164                 } ),
2165
2166                 // Miscellaneous
2167                 "target": function( elem ) {
2168                         var hash = window.location && window.location.hash;
2169                         return hash && hash.slice( 1 ) === elem.id;
2170                 },
2171
2172                 "root": function( elem ) {
2173                         return elem === docElem;
2174                 },
2175
2176                 "focus": function( elem ) {
2177                         return elem === document.activeElement &&
2178                                 ( !document.hasFocus || document.hasFocus() ) &&
2179                                 !!( elem.type || elem.href || ~elem.tabIndex );
2180                 },
2181
2182                 // Boolean properties
2183                 "enabled": createDisabledPseudo( false ),
2184                 "disabled": createDisabledPseudo( true ),
2185
2186                 "checked": function( elem ) {
2187
2188                         // In CSS3, :checked should return both checked and selected elements
2189                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2190                         var nodeName = elem.nodeName.toLowerCase();
2191                         return ( nodeName === "input" && !!elem.checked ) ||
2192                                 ( nodeName === "option" && !!elem.selected );
2193                 },
2194
2195                 "selected": function( elem ) {
2196
2197                         // Accessing this property makes selected-by-default
2198                         // options in Safari work properly
2199                         if ( elem.parentNode ) {
2200                                 // eslint-disable-next-line no-unused-expressions
2201                                 elem.parentNode.selectedIndex;
2202                         }
2203
2204                         return elem.selected === true;
2205                 },
2206
2207                 // Contents
2208                 "empty": function( elem ) {
2209
2210                         // http://www.w3.org/TR/selectors/#empty-pseudo
2211                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2212                         //   but not by others (comment: 8; processing instruction: 7; etc.)
2213                         // nodeType < 6 works because attributes (2) do not appear as children
2214                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2215                                 if ( elem.nodeType < 6 ) {
2216                                         return false;
2217                                 }
2218                         }
2219                         return true;
2220                 },
2221
2222                 "parent": function( elem ) {
2223                         return !Expr.pseudos[ "empty" ]( elem );
2224                 },
2225
2226                 // Element/input types
2227                 "header": function( elem ) {
2228                         return rheader.test( elem.nodeName );
2229                 },
2230
2231                 "input": function( elem ) {
2232                         return rinputs.test( elem.nodeName );
2233                 },
2234
2235                 "button": function( elem ) {
2236                         var name = elem.nodeName.toLowerCase();
2237                         return name === "input" && elem.type === "button" || name === "button";
2238                 },
2239
2240                 "text": function( elem ) {
2241                         var attr;
2242                         return elem.nodeName.toLowerCase() === "input" &&
2243                                 elem.type === "text" &&
2244
2245                                 // Support: IE<8
2246                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2247                                 ( ( attr = elem.getAttribute( "type" ) ) == null ||
2248                                         attr.toLowerCase() === "text" );
2249                 },
2250
2251                 // Position-in-collection
2252                 "first": createPositionalPseudo( function() {
2253                         return [ 0 ];
2254                 } ),
2255
2256                 "last": createPositionalPseudo( function( _matchIndexes, length ) {
2257                         return [ length - 1 ];
2258                 } ),
2259
2260                 "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
2261                         return [ argument < 0 ? argument + length : argument ];
2262                 } ),
2263
2264                 "even": createPositionalPseudo( function( matchIndexes, length ) {
2265                         var i = 0;
2266                         for ( ; i < length; i += 2 ) {
2267                                 matchIndexes.push( i );
2268                         }
2269                         return matchIndexes;
2270                 } ),
2271
2272                 "odd": createPositionalPseudo( function( matchIndexes, length ) {
2273                         var i = 1;
2274                         for ( ; i < length; i += 2 ) {
2275                                 matchIndexes.push( i );
2276                         }
2277                         return matchIndexes;
2278                 } ),
2279
2280                 "lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2281                         var i = argument < 0 ?
2282                                 argument + length :
2283                                 argument > length ?
2284                                         length :
2285                                         argument;
2286                         for ( ; --i >= 0; ) {
2287                                 matchIndexes.push( i );
2288                         }
2289                         return matchIndexes;
2290                 } ),
2291
2292                 "gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2293                         var i = argument < 0 ? argument + length : argument;
2294                         for ( ; ++i < length; ) {
2295                                 matchIndexes.push( i );
2296                         }
2297                         return matchIndexes;
2298                 } )
2299         }
2300 };
2301
2302 Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
2303
2304 // Add button/input type pseudos
2305 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2306         Expr.pseudos[ i ] = createInputPseudo( i );
2307 }
2308 for ( i in { submit: true, reset: true } ) {
2309         Expr.pseudos[ i ] = createButtonPseudo( i );
2310 }
2311
2312 // Easy API for creating new setFilters
2313 function setFilters() {}
2314 setFilters.prototype = Expr.filters = Expr.pseudos;
2315 Expr.setFilters = new setFilters();
2316
2317 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2318         var matched, match, tokens, type,
2319                 soFar, groups, preFilters,
2320                 cached = tokenCache[ selector + " " ];
2321
2322         if ( cached ) {
2323                 return parseOnly ? 0 : cached.slice( 0 );
2324         }
2325
2326         soFar = selector;
2327         groups = [];
2328         preFilters = Expr.preFilter;
2329
2330         while ( soFar ) {
2331
2332                 // Comma and first run
2333                 if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2334                         if ( match ) {
2335
2336                                 // Don't consume trailing commas as valid
2337                                 soFar = soFar.slice( match[ 0 ].length ) || soFar;
2338                         }
2339                         groups.push( ( tokens = [] ) );
2340                 }
2341
2342                 matched = false;
2343
2344                 // Combinators
2345                 if ( ( match = rcombinators.exec( soFar ) ) ) {
2346                         matched = match.shift();
2347                         tokens.push( {
2348                                 value: matched,
2349
2350                                 // Cast descendant combinators to space
2351                                 type: match[ 0 ].replace( rtrim, " " )
2352                         } );
2353                         soFar = soFar.slice( matched.length );
2354                 }
2355
2356                 // Filters
2357                 for ( type in Expr.filter ) {
2358                         if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2359                                 ( match = preFilters[ type ]( match ) ) ) ) {
2360                                 matched = match.shift();
2361                                 tokens.push( {
2362                                         value: matched,
2363                                         type: type,
2364                                         matches: match
2365                                 } );
2366                                 soFar = soFar.slice( matched.length );
2367                         }
2368                 }
2369
2370                 if ( !matched ) {
2371                         break;
2372                 }
2373         }
2374
2375         // Return the length of the invalid excess
2376         // if we're just parsing
2377         // Otherwise, throw an error or return tokens
2378         return parseOnly ?
2379                 soFar.length :
2380                 soFar ?
2381                         Sizzle.error( selector ) :
2382
2383                         // Cache the tokens
2384                         tokenCache( selector, groups ).slice( 0 );
2385 };
2386
2387 function toSelector( tokens ) {
2388         var i = 0,
2389                 len = tokens.length,
2390                 selector = "";
2391         for ( ; i < len; i++ ) {
2392                 selector += tokens[ i ].value;
2393         }
2394         return selector;
2395 }
2396
2397 function addCombinator( matcher, combinator, base ) {
2398         var dir = combinator.dir,
2399                 skip = combinator.next,
2400                 key = skip || dir,
2401                 checkNonElements = base && key === "parentNode",
2402                 doneName = done++;
2403
2404         return combinator.first ?
2405
2406                 // Check against closest ancestor/preceding element
2407                 function( elem, context, xml ) {
2408                         while ( ( elem = elem[ dir ] ) ) {
2409                                 if ( elem.nodeType === 1 || checkNonElements ) {
2410                                         return matcher( elem, context, xml );
2411                                 }
2412                         }
2413                         return false;
2414                 } :
2415
2416                 // Check against all ancestor/preceding elements
2417                 function( elem, context, xml ) {
2418                         var oldCache, uniqueCache, outerCache,
2419                                 newCache = [ dirruns, doneName ];
2420
2421                         // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2422                         if ( xml ) {
2423                                 while ( ( elem = elem[ dir ] ) ) {
2424                                         if ( elem.nodeType === 1 || checkNonElements ) {
2425                                                 if ( matcher( elem, context, xml ) ) {
2426                                                         return true;
2427                                                 }
2428                                         }
2429                                 }
2430                         } else {
2431                                 while ( ( elem = elem[ dir ] ) ) {
2432                                         if ( elem.nodeType === 1 || checkNonElements ) {
2433                                                 outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2434
2435                                                 // Support: IE <9 only
2436                                                 // Defend against cloned attroperties (jQuery gh-1709)
2437                                                 uniqueCache = outerCache[ elem.uniqueID ] ||
2438                                                         ( outerCache[ elem.uniqueID ] = {} );
2439
2440                                                 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2441                                                         elem = elem[ dir ] || elem;
2442                                                 } else if ( ( oldCache = uniqueCache[ key ] ) &&
2443                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2444
2445                                                         // Assign to newCache so results back-propagate to previous elements
2446                                                         return ( newCache[ 2 ] = oldCache[ 2 ] );
2447                                                 } else {
2448
2449                                                         // Reuse newcache so results back-propagate to previous elements
2450                                                         uniqueCache[ key ] = newCache;
2451
2452                                                         // A match means we're done; a fail means we have to keep checking
2453                                                         if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2454                                                                 return true;
2455                                                         }
2456                                                 }
2457                                         }
2458                                 }
2459                         }
2460                         return false;
2461                 };
2462 }
2463
2464 function elementMatcher( matchers ) {
2465         return matchers.length > 1 ?
2466                 function( elem, context, xml ) {
2467                         var i = matchers.length;
2468                         while ( i-- ) {
2469                                 if ( !matchers[ i ]( elem, context, xml ) ) {
2470                                         return false;
2471                                 }
2472                         }
2473                         return true;
2474                 } :
2475                 matchers[ 0 ];
2476 }
2477
2478 function multipleContexts( selector, contexts, results ) {
2479         var i = 0,
2480                 len = contexts.length;
2481         for ( ; i < len; i++ ) {
2482                 Sizzle( selector, contexts[ i ], results );
2483         }
2484         return results;
2485 }
2486
2487 function condense( unmatched, map, filter, context, xml ) {
2488         var elem,
2489                 newUnmatched = [],
2490                 i = 0,
2491                 len = unmatched.length,
2492                 mapped = map != null;
2493
2494         for ( ; i < len; i++ ) {
2495                 if ( ( elem = unmatched[ i ] ) ) {
2496                         if ( !filter || filter( elem, context, xml ) ) {
2497                                 newUnmatched.push( elem );
2498                                 if ( mapped ) {
2499                                         map.push( i );
2500                                 }
2501                         }
2502                 }
2503         }
2504
2505         return newUnmatched;
2506 }
2507
2508 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2509         if ( postFilter && !postFilter[ expando ] ) {
2510                 postFilter = setMatcher( postFilter );
2511         }
2512         if ( postFinder && !postFinder[ expando ] ) {
2513                 postFinder = setMatcher( postFinder, postSelector );
2514         }
2515         return markFunction( function( seed, results, context, xml ) {
2516                 var temp, i, elem,
2517                         preMap = [],
2518                         postMap = [],
2519                         preexisting = results.length,
2520
2521                         // Get initial elements from seed or context
2522                         elems = seed || multipleContexts(
2523                                 selector || "*",
2524                                 context.nodeType ? [ context ] : context,
2525                                 []
2526                         ),
2527
2528                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2529                         matcherIn = preFilter && ( seed || !selector ) ?
2530                                 condense( elems, preMap, preFilter, context, xml ) :
2531                                 elems,
2532
2533                         matcherOut = matcher ?
2534
2535                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2536                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2537
2538                                         // ...intermediate processing is necessary
2539                                         [] :
2540
2541                                         // ...otherwise use results directly
2542                                         results :
2543                                 matcherIn;
2544
2545                 // Find primary matches
2546                 if ( matcher ) {
2547                         matcher( matcherIn, matcherOut, context, xml );
2548                 }
2549
2550                 // Apply postFilter
2551                 if ( postFilter ) {
2552                         temp = condense( matcherOut, postMap );
2553                         postFilter( temp, [], context, xml );
2554
2555                         // Un-match failing elements by moving them back to matcherIn
2556                         i = temp.length;
2557                         while ( i-- ) {
2558                                 if ( ( elem = temp[ i ] ) ) {
2559                                         matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2560                                 }
2561                         }
2562                 }
2563
2564                 if ( seed ) {
2565                         if ( postFinder || preFilter ) {
2566                                 if ( postFinder ) {
2567
2568                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2569                                         temp = [];
2570                                         i = matcherOut.length;
2571                                         while ( i-- ) {
2572                                                 if ( ( elem = matcherOut[ i ] ) ) {
2573
2574                                                         // Restore matcherIn since elem is not yet a final match
2575                                                         temp.push( ( matcherIn[ i ] = elem ) );
2576                                                 }
2577                                         }
2578                                         postFinder( null, ( matcherOut = [] ), temp, xml );
2579                                 }
2580
2581                                 // Move matched elements from seed to results to keep them synchronized
2582                                 i = matcherOut.length;
2583                                 while ( i-- ) {
2584                                         if ( ( elem = matcherOut[ i ] ) &&
2585                                                 ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
2586
2587                                                 seed[ temp ] = !( results[ temp ] = elem );
2588                                         }
2589                                 }
2590                         }
2591
2592                 // Add elements to results, through postFinder if defined
2593                 } else {
2594                         matcherOut = condense(
2595                                 matcherOut === results ?
2596                                         matcherOut.splice( preexisting, matcherOut.length ) :
2597                                         matcherOut
2598                         );
2599                         if ( postFinder ) {
2600                                 postFinder( null, results, matcherOut, xml );
2601                         } else {
2602                                 push.apply( results, matcherOut );
2603                         }
2604                 }
2605         } );
2606 }
2607
2608 function matcherFromTokens( tokens ) {
2609         var checkContext, matcher, j,
2610                 len = tokens.length,
2611                 leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2612                 implicitRelative = leadingRelative || Expr.relative[ " " ],
2613                 i = leadingRelative ? 1 : 0,
2614
2615                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2616                 matchContext = addCombinator( function( elem ) {
2617                         return elem === checkContext;
2618                 }, implicitRelative, true ),
2619                 matchAnyContext = addCombinator( function( elem ) {
2620                         return indexOf( checkContext, elem ) > -1;
2621                 }, implicitRelative, true ),
2622                 matchers = [ function( elem, context, xml ) {
2623                         var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2624                                 ( checkContext = context ).nodeType ?
2625                                         matchContext( elem, context, xml ) :
2626                                         matchAnyContext( elem, context, xml ) );
2627
2628                         // Avoid hanging onto element (issue #299)
2629                         checkContext = null;
2630                         return ret;
2631                 } ];
2632
2633         for ( ; i < len; i++ ) {
2634                 if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2635                         matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2636                 } else {
2637                         matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2638
2639                         // Return special upon seeing a positional matcher
2640                         if ( matcher[ expando ] ) {
2641
2642                                 // Find the next relative operator (if any) for proper handling
2643                                 j = ++i;
2644                                 for ( ; j < len; j++ ) {
2645                                         if ( Expr.relative[ tokens[ j ].type ] ) {
2646                                                 break;
2647                                         }
2648                                 }
2649                                 return setMatcher(
2650                                         i > 1 && elementMatcher( matchers ),
2651                                         i > 1 && toSelector(
2652
2653                                         // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2654                                         tokens
2655                                                 .slice( 0, i - 1 )
2656                                                 .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2657                                         ).replace( rtrim, "$1" ),
2658                                         matcher,
2659                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2660                                         j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2661                                         j < len && toSelector( tokens )
2662                                 );
2663                         }
2664                         matchers.push( matcher );
2665                 }
2666         }
2667
2668         return elementMatcher( matchers );
2669 }
2670
2671 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2672         var bySet = setMatchers.length > 0,
2673                 byElement = elementMatchers.length > 0,
2674                 superMatcher = function( seed, context, xml, results, outermost ) {
2675                         var elem, j, matcher,
2676                                 matchedCount = 0,
2677                                 i = "0",
2678                                 unmatched = seed && [],
2679                                 setMatched = [],
2680                                 contextBackup = outermostContext,
2681
2682                                 // We must always have either seed elements or outermost context
2683                                 elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
2684
2685                                 // Use integer dirruns iff this is the outermost matcher
2686                                 dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2687                                 len = elems.length;
2688
2689                         if ( outermost ) {
2690
2691                                 // Support: IE 11+, Edge 17 - 18+
2692                                 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2693                                 // two documents; shallow comparisons work.
2694                                 // eslint-disable-next-line eqeqeq
2695                                 outermostContext = context == document || context || outermost;
2696                         }
2697
2698                         // Add elements passing elementMatchers directly to results
2699                         // Support: IE<9, Safari
2700                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2701                         for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2702                                 if ( byElement && elem ) {
2703                                         j = 0;
2704
2705                                         // Support: IE 11+, Edge 17 - 18+
2706                                         // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2707                                         // two documents; shallow comparisons work.
2708                                         // eslint-disable-next-line eqeqeq
2709                                         if ( !context && elem.ownerDocument != document ) {
2710                                                 setDocument( elem );
2711                                                 xml = !documentIsHTML;
2712                                         }
2713                                         while ( ( matcher = elementMatchers[ j++ ] ) ) {
2714                                                 if ( matcher( elem, context || document, xml ) ) {
2715                                                         results.push( elem );
2716                                                         break;
2717                                                 }
2718                                         }
2719                                         if ( outermost ) {
2720                                                 dirruns = dirrunsUnique;
2721                                         }
2722                                 }
2723
2724                                 // Track unmatched elements for set filters
2725                                 if ( bySet ) {
2726
2727                                         // They will have gone through all possible matchers
2728                                         if ( ( elem = !matcher && elem ) ) {
2729                                                 matchedCount--;
2730                                         }
2731
2732                                         // Lengthen the array for every element, matched or not
2733                                         if ( seed ) {
2734                                                 unmatched.push( elem );
2735                                         }
2736                                 }
2737                         }
2738
2739                         // `i` is now the count of elements visited above, and adding it to `matchedCount`
2740                         // makes the latter nonnegative.
2741                         matchedCount += i;
2742
2743                         // Apply set filters to unmatched elements
2744                         // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2745                         // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2746                         // no element matchers and no seed.
2747                         // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2748                         // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2749                         // numerically zero.
2750                         if ( bySet && i !== matchedCount ) {
2751                                 j = 0;
2752                                 while ( ( matcher = setMatchers[ j++ ] ) ) {
2753                                         matcher( unmatched, setMatched, context, xml );
2754                                 }
2755
2756                                 if ( seed ) {
2757
2758                                         // Reintegrate element matches to eliminate the need for sorting
2759                                         if ( matchedCount > 0 ) {
2760                                                 while ( i-- ) {
2761                                                         if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2762                                                                 setMatched[ i ] = pop.call( results );
2763                                                         }
2764                                                 }
2765                                         }
2766
2767                                         // Discard index placeholder values to get only actual matches
2768                                         setMatched = condense( setMatched );
2769                                 }
2770
2771                                 // Add matches to results
2772                                 push.apply( results, setMatched );
2773
2774                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2775                                 if ( outermost && !seed && setMatched.length > 0 &&
2776                                         ( matchedCount + setMatchers.length ) > 1 ) {
2777
2778                                         Sizzle.uniqueSort( results );
2779                                 }
2780                         }
2781
2782                         // Override manipulation of globals by nested matchers
2783                         if ( outermost ) {
2784                                 dirruns = dirrunsUnique;
2785                                 outermostContext = contextBackup;
2786                         }
2787
2788                         return unmatched;
2789                 };
2790
2791         return bySet ?
2792                 markFunction( superMatcher ) :
2793                 superMatcher;
2794 }
2795
2796 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2797         var i,
2798                 setMatchers = [],
2799                 elementMatchers = [],
2800                 cached = compilerCache[ selector + " " ];
2801
2802         if ( !cached ) {
2803
2804                 // Generate a function of recursive functions that can be used to check each element
2805                 if ( !match ) {
2806                         match = tokenize( selector );
2807                 }
2808                 i = match.length;
2809                 while ( i-- ) {
2810                         cached = matcherFromTokens( match[ i ] );
2811                         if ( cached[ expando ] ) {
2812                                 setMatchers.push( cached );
2813                         } else {
2814                                 elementMatchers.push( cached );
2815                         }
2816                 }
2817
2818                 // Cache the compiled function
2819                 cached = compilerCache(
2820                         selector,
2821                         matcherFromGroupMatchers( elementMatchers, setMatchers )
2822                 );
2823
2824                 // Save selector and tokenization
2825                 cached.selector = selector;
2826         }
2827         return cached;
2828 };
2829
2830 /**
2831  * A low-level selection function that works with Sizzle's compiled
2832  *  selector functions
2833  * @param {String|Function} selector A selector or a pre-compiled
2834  *  selector function built with Sizzle.compile
2835  * @param {Element} context
2836  * @param {Array} [results]
2837  * @param {Array} [seed] A set of elements to match against
2838  */
2839 select = Sizzle.select = function( selector, context, results, seed ) {
2840         var i, tokens, token, type, find,
2841                 compiled = typeof selector === "function" && selector,
2842                 match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2843
2844         results = results || [];
2845
2846         // Try to minimize operations if there is only one selector in the list and no seed
2847         // (the latter of which guarantees us context)
2848         if ( match.length === 1 ) {
2849
2850                 // Reduce context if the leading compound selector is an ID
2851                 tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2852                 if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2853                         context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2854
2855                         context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
2856                                 .replace( runescape, funescape ), context ) || [] )[ 0 ];
2857                         if ( !context ) {
2858                                 return results;
2859
2860                         // Precompiled matchers will still verify ancestry, so step up a level
2861                         } else if ( compiled ) {
2862                                 context = context.parentNode;
2863                         }
2864
2865                         selector = selector.slice( tokens.shift().value.length );
2866                 }
2867
2868                 // Fetch a seed set for right-to-left matching
2869                 i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
2870                 while ( i-- ) {
2871                         token = tokens[ i ];
2872
2873                         // Abort if we hit a combinator
2874                         if ( Expr.relative[ ( type = token.type ) ] ) {
2875                                 break;
2876                         }
2877                         if ( ( find = Expr.find[ type ] ) ) {
2878
2879                                 // Search, expanding context for leading sibling combinators
2880                                 if ( ( seed = find(
2881                                         token.matches[ 0 ].replace( runescape, funescape ),
2882                                         rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
2883                                                 context
2884                                 ) ) ) {
2885
2886                                         // If seed is empty or no tokens remain, we can return early
2887                                         tokens.splice( i, 1 );
2888                                         selector = seed.length && toSelector( tokens );
2889                                         if ( !selector ) {
2890                                                 push.apply( results, seed );
2891                                                 return results;
2892                                         }
2893
2894                                         break;
2895                                 }
2896                         }
2897                 }
2898         }
2899
2900         // Compile and execute a filtering function if one is not provided
2901         // Provide `match` to avoid retokenization if we modified the selector above
2902         ( compiled || compile( selector, match ) )(
2903                 seed,
2904                 context,
2905                 !documentIsHTML,
2906                 results,
2907                 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2908         );
2909         return results;
2910 };
2911
2912 // One-time assignments
2913
2914 // Sort stability
2915 support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2916
2917 // Support: Chrome 14-35+
2918 // Always assume duplicates if they aren't passed to the comparison function
2919 support.detectDuplicates = !!hasDuplicate;
2920
2921 // Initialize against the default document
2922 setDocument();
2923
2924 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2925 // Detached nodes confoundingly follow *each other*
2926 support.sortDetached = assert( function( el ) {
2927
2928         // Should return 1, but returns 4 (following)
2929         return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2930 } );
2931
2932 // Support: IE<8
2933 // Prevent attribute/property "interpolation"
2934 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2935 if ( !assert( function( el ) {
2936         el.innerHTML = "<a href='#'></a>";
2937         return el.firstChild.getAttribute( "href" ) === "#";
2938 } ) ) {
2939         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2940                 if ( !isXML ) {
2941                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2942                 }
2943         } );
2944 }
2945
2946 // Support: IE<9
2947 // Use defaultValue in place of getAttribute("value")
2948 if ( !support.attributes || !assert( function( el ) {
2949         el.innerHTML = "<input/>";
2950         el.firstChild.setAttribute( "value", "" );
2951         return el.firstChild.getAttribute( "value" ) === "";
2952 } ) ) {
2953         addHandle( "value", function( elem, _name, isXML ) {
2954                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2955                         return elem.defaultValue;
2956                 }
2957         } );
2958 }
2959
2960 // Support: IE<9
2961 // Use getAttributeNode to fetch booleans when getAttribute lies
2962 if ( !assert( function( el ) {
2963         return el.getAttribute( "disabled" ) == null;
2964 } ) ) {
2965         addHandle( booleans, function( elem, name, isXML ) {
2966                 var val;
2967                 if ( !isXML ) {
2968                         return elem[ name ] === true ? name.toLowerCase() :
2969                                 ( val = elem.getAttributeNode( name ) ) && val.specified ?
2970                                         val.value :
2971                                         null;
2972                 }
2973         } );
2974 }
2975
2976 return Sizzle;
2977
2978 } )( window );
2979
2980
2981
2982 jQuery.find = Sizzle;
2983 jQuery.expr = Sizzle.selectors;
2984
2985 // Deprecated
2986 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2987 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2988 jQuery.text = Sizzle.getText;
2989 jQuery.isXMLDoc = Sizzle.isXML;
2990 jQuery.contains = Sizzle.contains;
2991 jQuery.escapeSelector = Sizzle.escape;
2992
2993
2994
2995
2996 var dir = function( elem, dir, until ) {
2997         var matched = [],
2998                 truncate = until !== undefined;
2999
3000         while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
3001                 if ( elem.nodeType === 1 ) {
3002                         if ( truncate && jQuery( elem ).is( until ) ) {
3003                                 break;
3004                         }
3005                         matched.push( elem );
3006                 }
3007         }
3008         return matched;
3009 };
3010
3011
3012 var siblings = function( n, elem ) {
3013         var matched = [];
3014
3015         for ( ; n; n = n.nextSibling ) {
3016                 if ( n.nodeType === 1 && n !== elem ) {
3017                         matched.push( n );
3018                 }
3019         }
3020
3021         return matched;
3022 };
3023
3024
3025 var rneedsContext = jQuery.expr.match.needsContext;
3026
3027
3028
3029 function nodeName( elem, name ) {
3030
3031         return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
3032
3033 }
3034 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
3035
3036
3037
3038 // Implement the identical functionality for filter and not
3039 function winnow( elements, qualifier, not ) {
3040         if ( isFunction( qualifier ) ) {
3041                 return jQuery.grep( elements, function( elem, i ) {
3042                         return !!qualifier.call( elem, i, elem ) !== not;
3043                 } );
3044         }
3045
3046         // Single element
3047         if ( qualifier.nodeType ) {
3048                 return jQuery.grep( elements, function( elem ) {
3049                         return ( elem === qualifier ) !== not;
3050                 } );
3051         }
3052
3053         // Arraylike of elements (jQuery, arguments, Array)
3054         if ( typeof qualifier !== "string" ) {
3055                 return jQuery.grep( elements, function( elem ) {
3056                         return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
3057                 } );
3058         }
3059
3060         // Filtered directly for both simple and complex selectors
3061         return jQuery.filter( qualifier, elements, not );
3062 }
3063
3064 jQuery.filter = function( expr, elems, not ) {
3065         var elem = elems[ 0 ];
3066
3067         if ( not ) {
3068                 expr = ":not(" + expr + ")";
3069         }
3070
3071         if ( elems.length === 1 && elem.nodeType === 1 ) {
3072                 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
3073         }
3074
3075         return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
3076                 return elem.nodeType === 1;
3077         } ) );
3078 };
3079
3080 jQuery.fn.extend( {
3081         find: function( selector ) {
3082                 var i, ret,
3083                         len = this.length,
3084                         self = this;
3085
3086                 if ( typeof selector !== "string" ) {
3087                         return this.pushStack( jQuery( selector ).filter( function() {
3088                                 for ( i = 0; i < len; i++ ) {
3089                                         if ( jQuery.contains( self[ i ], this ) ) {
3090                                                 return true;
3091                                         }
3092                                 }
3093                         } ) );
3094                 }
3095
3096                 ret = this.pushStack( [] );
3097
3098                 for ( i = 0; i < len; i++ ) {
3099                         jQuery.find( selector, self[ i ], ret );
3100                 }
3101
3102                 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
3103         },
3104         filter: function( selector ) {
3105                 return this.pushStack( winnow( this, selector || [], false ) );
3106         },
3107         not: function( selector ) {
3108                 return this.pushStack( winnow( this, selector || [], true ) );
3109         },
3110         is: function( selector ) {
3111                 return !!winnow(
3112                         this,
3113
3114                         // If this is a positional/relative selector, check membership in the returned set
3115                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
3116                         typeof selector === "string" && rneedsContext.test( selector ) ?
3117                                 jQuery( selector ) :
3118                                 selector || [],
3119                         false
3120                 ).length;
3121         }
3122 } );
3123
3124
3125 // Initialize a jQuery object
3126
3127
3128 // A central reference to the root jQuery(document)
3129 var rootjQuery,
3130
3131         // A simple way to check for HTML strings
3132         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
3133         // Strict HTML recognition (#11290: must start with <)
3134         // Shortcut simple #id case for speed
3135         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
3136
3137         init = jQuery.fn.init = function( selector, context, root ) {
3138                 var match, elem;
3139
3140                 // HANDLE: $(""), $(null), $(undefined), $(false)
3141                 if ( !selector ) {
3142                         return this;
3143                 }
3144
3145                 // Method init() accepts an alternate rootjQuery
3146                 // so migrate can support jQuery.sub (gh-2101)
3147                 root = root || rootjQuery;
3148
3149                 // Handle HTML strings
3150                 if ( typeof selector === "string" ) {
3151                         if ( selector[ 0 ] === "<" &&
3152                                 selector[ selector.length - 1 ] === ">" &&
3153                                 selector.length >= 3 ) {
3154
3155                                 // Assume that strings that start and end with <> are HTML and skip the regex check
3156                                 match = [ null, selector, null ];
3157
3158                         } else {
3159                                 match = rquickExpr.exec( selector );
3160                         }
3161
3162                         // Match html or make sure no context is specified for #id
3163                         if ( match && ( match[ 1 ] || !context ) ) {
3164
3165                                 // HANDLE: $(html) -> $(array)
3166                                 if ( match[ 1 ] ) {
3167                                         context = context instanceof jQuery ? context[ 0 ] : context;
3168
3169                                         // Option to run scripts is true for back-compat
3170                                         // Intentionally let the error be thrown if parseHTML is not present
3171                                         jQuery.merge( this, jQuery.parseHTML(
3172                                                 match[ 1 ],
3173                                                 context && context.nodeType ? context.ownerDocument || context : document,
3174                                                 true
3175                                         ) );
3176
3177                                         // HANDLE: $(html, props)
3178                                         if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3179                                                 for ( match in context ) {
3180
3181                                                         // Properties of context are called as methods if possible
3182                                                         if ( isFunction( this[ match ] ) ) {
3183                                                                 this[ match ]( context[ match ] );
3184
3185                                                         // ...and otherwise set as attributes
3186                                                         } else {
3187                                                                 this.attr( match, context[ match ] );
3188                                                         }
3189                                                 }
3190                                         }
3191
3192                                         return this;
3193
3194                                 // HANDLE: $(#id)
3195                                 } else {
3196                                         elem = document.getElementById( match[ 2 ] );
3197
3198                                         if ( elem ) {
3199
3200                                                 // Inject the element directly into the jQuery object
3201                                                 this[ 0 ] = elem;
3202                                                 this.length = 1;
3203                                         }
3204                                         return this;
3205                                 }
3206
3207                         // HANDLE: $(expr, $(...))
3208                         } else if ( !context || context.jquery ) {
3209                                 return ( context || root ).find( selector );
3210
3211                         // HANDLE: $(expr, context)
3212                         // (which is just equivalent to: $(context).find(expr)
3213                         } else {
3214                                 return this.constructor( context ).find( selector );
3215                         }
3216
3217                 // HANDLE: $(DOMElement)
3218                 } else if ( selector.nodeType ) {
3219                         this[ 0 ] = selector;
3220                         this.length = 1;
3221                         return this;
3222
3223                 // HANDLE: $(function)
3224                 // Shortcut for document ready
3225                 } else if ( isFunction( selector ) ) {
3226                         return root.ready !== undefined ?
3227                                 root.ready( selector ) :
3228
3229                                 // Execute immediately if ready is not present
3230                                 selector( jQuery );
3231                 }
3232
3233                 return jQuery.makeArray( selector, this );
3234         };
3235
3236 // Give the init function the jQuery prototype for later instantiation
3237 init.prototype = jQuery.fn;
3238
3239 // Initialize central reference
3240 rootjQuery = jQuery( document );
3241
3242
3243 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3244
3245         // Methods guaranteed to produce a unique set when starting from a unique set
3246         guaranteedUnique = {
3247                 children: true,
3248                 contents: true,
3249                 next: true,
3250                 prev: true
3251         };
3252
3253 jQuery.fn.extend( {
3254         has: function( target ) {
3255                 var targets = jQuery( target, this ),
3256                         l = targets.length;
3257
3258                 return this.filter( function() {
3259                         var i = 0;
3260                         for ( ; i < l; i++ ) {
3261                                 if ( jQuery.contains( this, targets[ i ] ) ) {
3262                                         return true;
3263                                 }
3264                         }
3265                 } );
3266         },
3267
3268         closest: function( selectors, context ) {
3269                 var cur,
3270                         i = 0,
3271                         l = this.length,
3272                         matched = [],
3273                         targets = typeof selectors !== "string" && jQuery( selectors );
3274
3275                 // Positional selectors never match, since there's no _selection_ context
3276                 if ( !rneedsContext.test( selectors ) ) {
3277                         for ( ; i < l; i++ ) {
3278                                 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3279
3280                                         // Always skip document fragments
3281                                         if ( cur.nodeType < 11 && ( targets ?
3282                                                 targets.index( cur ) > -1 :
3283
3284                                                 // Don't pass non-elements to Sizzle
3285                                                 cur.nodeType === 1 &&
3286                                                         jQuery.find.matchesSelector( cur, selectors ) ) ) {
3287
3288                                                 matched.push( cur );
3289                                                 break;
3290                                         }
3291                                 }
3292                         }
3293                 }
3294
3295                 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3296         },
3297
3298         // Determine the position of an element within the set
3299         index: function( elem ) {
3300
3301                 // No argument, return index in parent
3302                 if ( !elem ) {
3303                         return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3304                 }
3305
3306                 // Index in selector
3307                 if ( typeof elem === "string" ) {
3308                         return indexOf.call( jQuery( elem ), this[ 0 ] );
3309                 }
3310
3311                 // Locate the position of the desired element
3312                 return indexOf.call( this,
3313
3314                         // If it receives a jQuery object, the first element is used
3315                         elem.jquery ? elem[ 0 ] : elem
3316                 );
3317         },
3318
3319         add: function( selector, context ) {
3320                 return this.pushStack(
3321                         jQuery.uniqueSort(
3322                                 jQuery.merge( this.get(), jQuery( selector, context ) )
3323                         )
3324                 );
3325         },
3326
3327         addBack: function( selector ) {
3328                 return this.add( selector == null ?
3329                         this.prevObject : this.prevObject.filter( selector )
3330                 );
3331         }
3332 } );
3333
3334 function sibling( cur, dir ) {
3335         while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3336         return cur;
3337 }
3338
3339 jQuery.each( {
3340         parent: function( elem ) {
3341                 var parent = elem.parentNode;
3342                 return parent && parent.nodeType !== 11 ? parent : null;
3343         },
3344         parents: function( elem ) {
3345                 return dir( elem, "parentNode" );
3346         },
3347         parentsUntil: function( elem, _i, until ) {
3348                 return dir( elem, "parentNode", until );
3349         },
3350         next: function( elem ) {
3351                 return sibling( elem, "nextSibling" );
3352         },
3353         prev: function( elem ) {
3354                 return sibling( elem, "previousSibling" );
3355         },
3356         nextAll: function( elem ) {
3357                 return dir( elem, "nextSibling" );
3358         },
3359         prevAll: function( elem ) {
3360                 return dir( elem, "previousSibling" );
3361         },
3362         nextUntil: function( elem, _i, until ) {
3363                 return dir( elem, "nextSibling", until );
3364         },
3365         prevUntil: function( elem, _i, until ) {
3366                 return dir( elem, "previousSibling", until );
3367         },
3368         siblings: function( elem ) {
3369                 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3370         },
3371         children: function( elem ) {
3372                 return siblings( elem.firstChild );
3373         },
3374         contents: function( elem ) {
3375                 if ( elem.contentDocument != null &&
3376
3377                         // Support: IE 11+
3378                         // <object> elements with no `data` attribute has an object
3379                         // `contentDocument` with a `null` prototype.
3380                         getProto( elem.contentDocument ) ) {
3381
3382                         return elem.contentDocument;
3383                 }
3384
3385                 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3386                 // Treat the template element as a regular one in browsers that
3387                 // don't support it.
3388                 if ( nodeName( elem, "template" ) ) {
3389                         elem = elem.content || elem;
3390                 }
3391
3392                 return jQuery.merge( [], elem.childNodes );
3393         }
3394 }, function( name, fn ) {
3395         jQuery.fn[ name ] = function( until, selector ) {
3396                 var matched = jQuery.map( this, fn, until );
3397
3398                 if ( name.slice( -5 ) !== "Until" ) {
3399                         selector = until;
3400                 }
3401
3402                 if ( selector && typeof selector === "string" ) {
3403                         matched = jQuery.filter( selector, matched );
3404                 }
3405
3406                 if ( this.length > 1 ) {
3407
3408                         // Remove duplicates
3409                         if ( !guaranteedUnique[ name ] ) {
3410                                 jQuery.uniqueSort( matched );
3411                         }
3412
3413                         // Reverse order for parents* and prev-derivatives
3414                         if ( rparentsprev.test( name ) ) {
3415                                 matched.reverse();
3416                         }
3417                 }
3418
3419                 return this.pushStack( matched );
3420         };
3421 } );
3422 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3423
3424
3425
3426 // Convert String-formatted options into Object-formatted ones
3427 function createOptions( options ) {
3428         var object = {};
3429         jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3430                 object[ flag ] = true;
3431         } );
3432         return object;
3433 }
3434
3435 /*
3436  * Create a callback list using the following parameters:
3437  *
3438  *      options: an optional list of space-separated options that will change how
3439  *                      the callback list behaves or a more traditional option object
3440  *
3441  * By default a callback list will act like an event callback list and can be
3442  * "fired" multiple times.
3443  *
3444  * Possible options:
3445  *
3446  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3447  *
3448  *      memory:                 will keep track of previous values and will call any callback added
3449  *                                      after the list has been fired right away with the latest "memorized"
3450  *                                      values (like a Deferred)
3451  *
3452  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3453  *
3454  *      stopOnFalse:    interrupt callings when a callback returns false
3455  *
3456  */
3457 jQuery.Callbacks = function( options ) {
3458
3459         // Convert options from String-formatted to Object-formatted if needed
3460         // (we check in cache first)
3461         options = typeof options === "string" ?
3462                 createOptions( options ) :
3463                 jQuery.extend( {}, options );
3464
3465         var // Flag to know if list is currently firing
3466                 firing,
3467
3468                 // Last fire value for non-forgettable lists
3469                 memory,
3470
3471                 // Flag to know if list was already fired
3472                 fired,
3473
3474                 // Flag to prevent firing
3475                 locked,
3476
3477                 // Actual callback list
3478                 list = [],
3479
3480                 // Queue of execution data for repeatable lists
3481                 queue = [],
3482
3483                 // Index of currently firing callback (modified by add/remove as needed)
3484                 firingIndex = -1,
3485
3486                 // Fire callbacks
3487                 fire = function() {
3488
3489                         // Enforce single-firing
3490                         locked = locked || options.once;
3491
3492                         // Execute callbacks for all pending executions,
3493                         // respecting firingIndex overrides and runtime changes
3494                         fired = firing = true;
3495                         for ( ; queue.length; firingIndex = -1 ) {
3496                                 memory = queue.shift();
3497                                 while ( ++firingIndex < list.length ) {
3498
3499                                         // Run callback and check for early termination
3500                                         if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3501                                                 options.stopOnFalse ) {
3502
3503                                                 // Jump to end and forget the data so .add doesn't re-fire
3504                                                 firingIndex = list.length;
3505                                                 memory = false;
3506                                         }
3507                                 }
3508                         }
3509
3510                         // Forget the data if we're done with it
3511                         if ( !options.memory ) {
3512                                 memory = false;
3513                         }
3514
3515                         firing = false;
3516
3517                         // Clean up if we're done firing for good
3518                         if ( locked ) {
3519
3520                                 // Keep an empty list if we have data for future add calls
3521                                 if ( memory ) {
3522                                         list = [];
3523
3524                                 // Otherwise, this object is spent
3525                                 } else {
3526                                         list = "";
3527                                 }
3528                         }
3529                 },
3530
3531                 // Actual Callbacks object
3532                 self = {
3533
3534                         // Add a callback or a collection of callbacks to the list
3535                         add: function() {
3536                                 if ( list ) {
3537
3538                                         // If we have memory from a past run, we should fire after adding
3539                                         if ( memory && !firing ) {
3540                                                 firingIndex = list.length - 1;
3541                                                 queue.push( memory );
3542                                         }
3543
3544                                         ( function add( args ) {
3545                                                 jQuery.each( args, function( _, arg ) {
3546                                                         if ( isFunction( arg ) ) {
3547                                                                 if ( !options.unique || !self.has( arg ) ) {
3548                                                                         list.push( arg );
3549                                                                 }
3550                                                         } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3551
3552                                                                 // Inspect recursively
3553                                                                 add( arg );
3554                                                         }
3555                                                 } );
3556                                         } )( arguments );
3557
3558                                         if ( memory && !firing ) {
3559                                                 fire();
3560                                         }
3561                                 }
3562                                 return this;
3563                         },
3564
3565                         // Remove a callback from the list
3566                         remove: function() {
3567                                 jQuery.each( arguments, function( _, arg ) {
3568                                         var index;
3569                                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3570                                                 list.splice( index, 1 );
3571
3572                                                 // Handle firing indexes
3573                                                 if ( index <= firingIndex ) {
3574                                                         firingIndex--;
3575                                                 }
3576                                         }
3577                                 } );
3578                                 return this;
3579                         },
3580
3581                         // Check if a given callback is in the list.
3582                         // If no argument is given, return whether or not list has callbacks attached.
3583                         has: function( fn ) {
3584                                 return fn ?
3585                                         jQuery.inArray( fn, list ) > -1 :
3586                                         list.length > 0;
3587                         },
3588
3589                         // Remove all callbacks from the list
3590                         empty: function() {
3591                                 if ( list ) {
3592                                         list = [];
3593                                 }
3594                                 return this;
3595                         },
3596
3597                         // Disable .fire and .add
3598                         // Abort any current/pending executions
3599                         // Clear all callbacks and values
3600                         disable: function() {
3601                                 locked = queue = [];
3602                                 list = memory = "";
3603                                 return this;
3604                         },
3605                         disabled: function() {
3606                                 return !list;
3607                         },
3608
3609                         // Disable .fire
3610                         // Also disable .add unless we have memory (since it would have no effect)
3611                         // Abort any pending executions
3612                         lock: function() {
3613                                 locked = queue = [];
3614                                 if ( !memory && !firing ) {
3615                                         list = memory = "";
3616                                 }
3617                                 return this;
3618                         },
3619                         locked: function() {
3620                                 return !!locked;
3621                         },
3622
3623                         // Call all callbacks with the given context and arguments
3624                         fireWith: function( context, args ) {
3625                                 if ( !locked ) {
3626                                         args = args || [];
3627                                         args = [ context, args.slice ? args.slice() : args ];
3628                                         queue.push( args );
3629                                         if ( !firing ) {
3630                                                 fire();
3631                                         }
3632                                 }
3633                                 return this;
3634                         },
3635
3636                         // Call all the callbacks with the given arguments
3637                         fire: function() {
3638                                 self.fireWith( this, arguments );
3639                                 return this;
3640                         },
3641
3642                         // To know if the callbacks have already been called at least once
3643                         fired: function() {
3644                                 return !!fired;
3645                         }
3646                 };
3647
3648         return self;
3649 };
3650
3651
3652 function Identity( v ) {
3653         return v;
3654 }
3655 function Thrower( ex ) {
3656         throw ex;
3657 }
3658
3659 function adoptValue( value, resolve, reject, noValue ) {
3660         var method;
3661
3662         try {
3663
3664                 // Check for promise aspect first to privilege synchronous behavior
3665                 if ( value && isFunction( ( method = value.promise ) ) ) {
3666                         method.call( value ).done( resolve ).fail( reject );
3667
3668                 // Other thenables
3669                 } else if ( value && isFunction( ( method = value.then ) ) ) {
3670                         method.call( value, resolve, reject );
3671
3672                 // Other non-thenables
3673                 } else {
3674
3675                         // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3676                         // * false: [ value ].slice( 0 ) => resolve( value )
3677                         // * true: [ value ].slice( 1 ) => resolve()
3678                         resolve.apply( undefined, [ value ].slice( noValue ) );
3679                 }
3680
3681         // For Promises/A+, convert exceptions into rejections
3682         // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3683         // Deferred#then to conditionally suppress rejection.
3684         } catch ( value ) {
3685
3686                 // Support: Android 4.0 only
3687                 // Strict mode functions invoked without .call/.apply get global-object context
3688                 reject.apply( undefined, [ value ] );
3689         }
3690 }
3691
3692 jQuery.extend( {
3693
3694         Deferred: function( func ) {
3695                 var tuples = [
3696
3697                                 // action, add listener, callbacks,
3698                                 // ... .then handlers, argument index, [final state]
3699                                 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3700                                         jQuery.Callbacks( "memory" ), 2 ],
3701                                 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3702                                         jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3703                                 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3704                                         jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3705                         ],
3706                         state = "pending",
3707                         promise = {
3708                                 state: function() {
3709                                         return state;
3710                                 },
3711                                 always: function() {
3712                                         deferred.done( arguments ).fail( arguments );
3713                                         return this;
3714                                 },
3715                                 "catch": function( fn ) {
3716                                         return promise.then( null, fn );
3717                                 },
3718
3719                                 // Keep pipe for back-compat
3720                                 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3721                                         var fns = arguments;
3722
3723                                         return jQuery.Deferred( function( newDefer ) {
3724                                                 jQuery.each( tuples, function( _i, tuple ) {
3725
3726                                                         // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3727                                                         var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3728
3729                                                         // deferred.progress(function() { bind to newDefer or newDefer.notify })
3730                                                         // deferred.done(function() { bind to newDefer or newDefer.resolve })
3731                                                         // deferred.fail(function() { bind to newDefer or newDefer.reject })
3732                                                         deferred[ tuple[ 1 ] ]( function() {
3733                                                                 var returned = fn && fn.apply( this, arguments );
3734                                                                 if ( returned && isFunction( returned.promise ) ) {
3735                                                                         returned.promise()
3736                                                                                 .progress( newDefer.notify )
3737                                                                                 .done( newDefer.resolve )
3738                                                                                 .fail( newDefer.reject );
3739                                                                 } else {
3740                                                                         newDefer[ tuple[ 0 ] + "With" ](
3741                                                                                 this,
3742                                                                                 fn ? [ returned ] : arguments
3743                                                                         );
3744                                                                 }
3745                                                         } );
3746                                                 } );
3747                                                 fns = null;
3748                                         } ).promise();
3749                                 },
3750                                 then: function( onFulfilled, onRejected, onProgress ) {
3751                                         var maxDepth = 0;
3752                                         function resolve( depth, deferred, handler, special ) {
3753                                                 return function() {
3754                                                         var that = this,
3755                                                                 args = arguments,
3756                                                                 mightThrow = function() {
3757                                                                         var returned, then;
3758
3759                                                                         // Support: Promises/A+ section 2.3.3.3.3
3760                                                                         // https://promisesaplus.com/#point-59
3761                                                                         // Ignore double-resolution attempts
3762                                                                         if ( depth < maxDepth ) {
3763                                                                                 return;
3764                                                                         }
3765
3766                                                                         returned = handler.apply( that, args );
3767
3768                                                                         // Support: Promises/A+ section 2.3.1
3769                                                                         // https://promisesaplus.com/#point-48
3770                                                                         if ( returned === deferred.promise() ) {
3771                                                                                 throw new TypeError( "Thenable self-resolution" );
3772                                                                         }
3773
3774                                                                         // Support: Promises/A+ sections 2.3.3.1, 3.5
3775                                                                         // https://promisesaplus.com/#point-54
3776                                                                         // https://promisesaplus.com/#point-75
3777                                                                         // Retrieve `then` only once
3778                                                                         then = returned &&
3779
3780                                                                                 // Support: Promises/A+ section 2.3.4
3781                                                                                 // https://promisesaplus.com/#point-64
3782                                                                                 // Only check objects and functions for thenability
3783                                                                                 ( typeof returned === "object" ||
3784                                                                                         typeof returned === "function" ) &&
3785                                                                                 returned.then;
3786
3787                                                                         // Handle a returned thenable
3788                                                                         if ( isFunction( then ) ) {
3789
3790                                                                                 // Special processors (notify) just wait for resolution
3791                                                                                 if ( special ) {
3792                                                                                         then.call(
3793                                                                                                 returned,
3794                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3795                                                                                                 resolve( maxDepth, deferred, Thrower, special )
3796                                                                                         );
3797
3798                                                                                 // Normal processors (resolve) also hook into progress
3799                                                                                 } else {
3800
3801                                                                                         // ...and disregard older resolution values
3802                                                                                         maxDepth++;
3803
3804                                                                                         then.call(
3805                                                                                                 returned,
3806                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3807                                                                                                 resolve( maxDepth, deferred, Thrower, special ),
3808                                                                                                 resolve( maxDepth, deferred, Identity,
3809                                                                                                         deferred.notifyWith )
3810                                                                                         );
3811                                                                                 }
3812
3813                                                                         // Handle all other returned values
3814                                                                         } else {
3815
3816                                                                                 // Only substitute handlers pass on context
3817                                                                                 // and multiple values (non-spec behavior)
3818                                                                                 if ( handler !== Identity ) {
3819                                                                                         that = undefined;
3820                                                                                         args = [ returned ];
3821                                                                                 }
3822
3823                                                                                 // Process the value(s)
3824                                                                                 // Default process is resolve
3825                                                                                 ( special || deferred.resolveWith )( that, args );
3826                                                                         }
3827                                                                 },
3828
3829                                                                 // Only normal processors (resolve) catch and reject exceptions
3830                                                                 process = special ?
3831                                                                         mightThrow :
3832                                                                         function() {
3833                                                                                 try {
3834                                                                                         mightThrow();
3835                                                                                 } catch ( e ) {
3836
3837                                                                                         if ( jQuery.Deferred.exceptionHook ) {
3838                                                                                                 jQuery.Deferred.exceptionHook( e,
3839                                                                                                         process.stackTrace );
3840                                                                                         }
3841
3842                                                                                         // Support: Promises/A+ section 2.3.3.3.4.1
3843                                                                                         // https://promisesaplus.com/#point-61
3844                                                                                         // Ignore post-resolution exceptions
3845                                                                                         if ( depth + 1 >= maxDepth ) {
3846
3847                                                                                                 // Only substitute handlers pass on context
3848                                                                                                 // and multiple values (non-spec behavior)
3849                                                                                                 if ( handler !== Thrower ) {
3850                                                                                                         that = undefined;
3851                                                                                                         args = [ e ];
3852                                                                                                 }
3853
3854                                                                                                 deferred.rejectWith( that, args );
3855                                                                                         }
3856                                                                                 }
3857                                                                         };
3858
3859                                                         // Support: Promises/A+ section 2.3.3.3.1
3860                                                         // https://promisesaplus.com/#point-57
3861                                                         // Re-resolve promises immediately to dodge false rejection from
3862                                                         // subsequent errors
3863                                                         if ( depth ) {
3864                                                                 process();
3865                                                         } else {
3866
3867                                                                 // Call an optional hook to record the stack, in case of exception
3868                                                                 // since it's otherwise lost when execution goes async
3869                                                                 if ( jQuery.Deferred.getStackHook ) {
3870                                                                         process.stackTrace = jQuery.Deferred.getStackHook();
3871                                                                 }
3872                                                                 window.setTimeout( process );
3873                                                         }
3874                                                 };
3875                                         }
3876
3877                                         return jQuery.Deferred( function( newDefer ) {
3878
3879                                                 // progress_handlers.add( ... )
3880                                                 tuples[ 0 ][ 3 ].add(
3881                                                         resolve(
3882                                                                 0,
3883                                                                 newDefer,
3884                                                                 isFunction( onProgress ) ?
3885                                                                         onProgress :
3886                                                                         Identity,
3887                                                                 newDefer.notifyWith
3888                                                         )
3889                                                 );
3890
3891                                                 // fulfilled_handlers.add( ... )
3892                                                 tuples[ 1 ][ 3 ].add(
3893                                                         resolve(
3894                                                                 0,
3895                                                                 newDefer,
3896                                                                 isFunction( onFulfilled ) ?
3897                                                                         onFulfilled :
3898                                                                         Identity
3899                                                         )
3900                                                 );
3901
3902                                                 // rejected_handlers.add( ... )
3903                                                 tuples[ 2 ][ 3 ].add(
3904                                                         resolve(
3905                                                                 0,
3906                                                                 newDefer,
3907                                                                 isFunction( onRejected ) ?
3908                                                                         onRejected :
3909                                                                         Thrower
3910                                                         )
3911                                                 );
3912                                         } ).promise();
3913                                 },
3914
3915                                 // Get a promise for this deferred
3916                                 // If obj is provided, the promise aspect is added to the object
3917                                 promise: function( obj ) {
3918                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3919                                 }
3920                         },
3921                         deferred = {};
3922
3923                 // Add list-specific methods
3924                 jQuery.each( tuples, function( i, tuple ) {
3925                         var list = tuple[ 2 ],
3926                                 stateString = tuple[ 5 ];
3927
3928                         // promise.progress = list.add
3929                         // promise.done = list.add
3930                         // promise.fail = list.add
3931                         promise[ tuple[ 1 ] ] = list.add;
3932
3933                         // Handle state
3934                         if ( stateString ) {
3935                                 list.add(
3936                                         function() {
3937
3938                                                 // state = "resolved" (i.e., fulfilled)
3939                                                 // state = "rejected"
3940                                                 state = stateString;
3941                                         },
3942
3943                                         // rejected_callbacks.disable
3944                                         // fulfilled_callbacks.disable
3945                                         tuples[ 3 - i ][ 2 ].disable,
3946
3947                                         // rejected_handlers.disable
3948                                         // fulfilled_handlers.disable
3949                                         tuples[ 3 - i ][ 3 ].disable,
3950
3951                                         // progress_callbacks.lock
3952                                         tuples[ 0 ][ 2 ].lock,
3953
3954                                         // progress_handlers.lock
3955                                         tuples[ 0 ][ 3 ].lock
3956                                 );
3957                         }
3958
3959                         // progress_handlers.fire
3960                         // fulfilled_handlers.fire
3961                         // rejected_handlers.fire
3962                         list.add( tuple[ 3 ].fire );
3963
3964                         // deferred.notify = function() { deferred.notifyWith(...) }
3965                         // deferred.resolve = function() { deferred.resolveWith(...) }
3966                         // deferred.reject = function() { deferred.rejectWith(...) }
3967                         deferred[ tuple[ 0 ] ] = function() {
3968                                 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3969                                 return this;
3970                         };
3971
3972                         // deferred.notifyWith = list.fireWith
3973                         // deferred.resolveWith = list.fireWith
3974                         // deferred.rejectWith = list.fireWith
3975                         deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3976                 } );
3977
3978                 // Make the deferred a promise
3979                 promise.promise( deferred );
3980
3981                 // Call given func if any
3982                 if ( func ) {
3983                         func.call( deferred, deferred );
3984                 }
3985
3986                 // All done!
3987                 return deferred;
3988         },
3989
3990         // Deferred helper
3991         when: function( singleValue ) {
3992                 var
3993
3994                         // count of uncompleted subordinates
3995                         remaining = arguments.length,
3996
3997                         // count of unprocessed arguments
3998                         i = remaining,
3999
4000                         // subordinate fulfillment data
4001                         resolveContexts = Array( i ),
4002                         resolveValues = slice.call( arguments ),
4003
4004                         // the primary Deferred
4005                         primary = jQuery.Deferred(),
4006
4007                         // subordinate callback factory
4008                         updateFunc = function( i ) {
4009                                 return function( value ) {
4010                                         resolveContexts[ i ] = this;
4011                                         resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
4012                                         if ( !( --remaining ) ) {
4013                                                 primary.resolveWith( resolveContexts, resolveValues );
4014                                         }
4015                                 };
4016                         };
4017
4018                 // Single- and empty arguments are adopted like Promise.resolve
4019                 if ( remaining <= 1 ) {
4020                         adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject,
4021                                 !remaining );
4022
4023                         // Use .then() to unwrap secondary thenables (cf. gh-3000)
4024                         if ( primary.state() === "pending" ||
4025                                 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
4026
4027                                 return primary.then();
4028                         }
4029                 }
4030
4031                 // Multiple arguments are aggregated like Promise.all array elements
4032                 while ( i-- ) {
4033                         adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject );
4034                 }
4035
4036                 return primary.promise();
4037         }
4038 } );
4039
4040
4041 // These usually indicate a programmer mistake during development,
4042 // warn about them ASAP rather than swallowing them by default.
4043 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
4044
4045 jQuery.Deferred.exceptionHook = function( error, stack ) {
4046
4047         // Support: IE 8 - 9 only
4048         // Console exists when dev tools are open, which can happen at any time
4049         if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
4050                 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
4051         }
4052 };
4053
4054
4055
4056
4057 jQuery.readyException = function( error ) {
4058         window.setTimeout( function() {
4059                 throw error;
4060         } );
4061 };
4062
4063
4064
4065
4066 // The deferred used on DOM ready
4067 var readyList = jQuery.Deferred();
4068
4069 jQuery.fn.ready = function( fn ) {
4070
4071         readyList
4072                 .then( fn )
4073
4074                 // Wrap jQuery.readyException in a function so that the lookup
4075                 // happens at the time of error handling instead of callback
4076                 // registration.
4077                 .catch( function( error ) {
4078                         jQuery.readyException( error );
4079                 } );
4080
4081         return this;
4082 };
4083
4084 jQuery.extend( {
4085
4086         // Is the DOM ready to be used? Set to true once it occurs.
4087         isReady: false,
4088
4089         // A counter to track how many items to wait for before
4090         // the ready event fires. See #6781
4091         readyWait: 1,
4092
4093         // Handle when the DOM is ready
4094         ready: function( wait ) {
4095
4096                 // Abort if there are pending holds or we're already ready
4097                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
4098                         return;
4099                 }
4100
4101                 // Remember that the DOM is ready
4102                 jQuery.isReady = true;
4103
4104                 // If a normal DOM Ready event fired, decrement, and wait if need be
4105                 if ( wait !== true && --jQuery.readyWait > 0 ) {
4106                         return;
4107                 }
4108
4109                 // If there are functions bound, to execute
4110                 readyList.resolveWith( document, [ jQuery ] );
4111         }
4112 } );
4113
4114 jQuery.ready.then = readyList.then;
4115
4116 // The ready event handler and self cleanup method
4117 function completed() {
4118         document.removeEventListener( "DOMContentLoaded", completed );
4119         window.removeEventListener( "load", completed );
4120         jQuery.ready();
4121 }
4122
4123 // Catch cases where $(document).ready() is called
4124 // after the browser event has already occurred.
4125 // Support: IE <=9 - 10 only
4126 // Older IE sometimes signals "interactive" too soon
4127 if ( document.readyState === "complete" ||
4128         ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
4129
4130         // Handle it asynchronously to allow scripts the opportunity to delay ready
4131         window.setTimeout( jQuery.ready );
4132
4133 } else {
4134
4135         // Use the handy event callback
4136         document.addEventListener( "DOMContentLoaded", completed );
4137
4138         // A fallback to window.onload, that will always work
4139         window.addEventListener( "load", completed );
4140 }
4141
4142
4143
4144
4145 // Multifunctional method to get and set values of a collection
4146 // The value/s can optionally be executed if it's a function
4147 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4148         var i = 0,
4149                 len = elems.length,
4150                 bulk = key == null;
4151
4152         // Sets many values
4153         if ( toType( key ) === "object" ) {
4154                 chainable = true;
4155                 for ( i in key ) {
4156                         access( elems, fn, i, key[ i ], true, emptyGet, raw );
4157                 }
4158
4159         // Sets one value
4160         } else if ( value !== undefined ) {
4161                 chainable = true;
4162
4163                 if ( !isFunction( value ) ) {
4164                         raw = true;
4165                 }
4166
4167                 if ( bulk ) {
4168
4169                         // Bulk operations run against the entire set
4170                         if ( raw ) {
4171                                 fn.call( elems, value );
4172                                 fn = null;
4173
4174                         // ...except when executing function values
4175                         } else {
4176                                 bulk = fn;
4177                                 fn = function( elem, _key, value ) {
4178                                         return bulk.call( jQuery( elem ), value );
4179                                 };
4180                         }
4181                 }
4182
4183                 if ( fn ) {
4184                         for ( ; i < len; i++ ) {
4185                                 fn(
4186                                         elems[ i ], key, raw ?
4187                                                 value :
4188                                                 value.call( elems[ i ], i, fn( elems[ i ], key ) )
4189                                 );
4190                         }
4191                 }
4192         }
4193
4194         if ( chainable ) {
4195                 return elems;
4196         }
4197
4198         // Gets
4199         if ( bulk ) {
4200                 return fn.call( elems );
4201         }
4202
4203         return len ? fn( elems[ 0 ], key ) : emptyGet;
4204 };
4205
4206
4207 // Matches dashed string for camelizing
4208 var rmsPrefix = /^-ms-/,
4209         rdashAlpha = /-([a-z])/g;
4210
4211 // Used by camelCase as callback to replace()
4212 function fcamelCase( _all, letter ) {
4213         return letter.toUpperCase();
4214 }
4215
4216 // Convert dashed to camelCase; used by the css and data modules
4217 // Support: IE <=9 - 11, Edge 12 - 15
4218 // Microsoft forgot to hump their vendor prefix (#9572)
4219 function camelCase( string ) {
4220         return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4221 }
4222 var acceptData = function( owner ) {
4223
4224         // Accepts only:
4225         //  - Node
4226         //    - Node.ELEMENT_NODE
4227         //    - Node.DOCUMENT_NODE
4228         //  - Object
4229         //    - Any
4230         return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4231 };
4232
4233
4234
4235
4236 function Data() {
4237         this.expando = jQuery.expando + Data.uid++;
4238 }
4239
4240 Data.uid = 1;
4241
4242 Data.prototype = {
4243
4244         cache: function( owner ) {
4245
4246                 // Check if the owner object already has a cache
4247                 var value = owner[ this.expando ];
4248
4249                 // If not, create one
4250                 if ( !value ) {
4251                         value = {};
4252
4253                         // We can accept data for non-element nodes in modern browsers,
4254                         // but we should not, see #8335.
4255                         // Always return an empty object.
4256                         if ( acceptData( owner ) ) {
4257
4258                                 // If it is a node unlikely to be stringify-ed or looped over
4259                                 // use plain assignment
4260                                 if ( owner.nodeType ) {
4261                                         owner[ this.expando ] = value;
4262
4263                                 // Otherwise secure it in a non-enumerable property
4264                                 // configurable must be true to allow the property to be
4265                                 // deleted when data is removed
4266                                 } else {
4267                                         Object.defineProperty( owner, this.expando, {
4268                                                 value: value,
4269                                                 configurable: true
4270                                         } );
4271                                 }
4272                         }
4273                 }
4274
4275                 return value;
4276         },
4277         set: function( owner, data, value ) {
4278                 var prop,
4279                         cache = this.cache( owner );
4280
4281                 // Handle: [ owner, key, value ] args
4282                 // Always use camelCase key (gh-2257)
4283                 if ( typeof data === "string" ) {
4284                         cache[ camelCase( data ) ] = value;
4285
4286                 // Handle: [ owner, { properties } ] args
4287                 } else {
4288
4289                         // Copy the properties one-by-one to the cache object
4290                         for ( prop in data ) {
4291                                 cache[ camelCase( prop ) ] = data[ prop ];
4292                         }
4293                 }
4294                 return cache;
4295         },
4296         get: function( owner, key ) {
4297                 return key === undefined ?
4298                         this.cache( owner ) :
4299
4300                         // Always use camelCase key (gh-2257)
4301                         owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4302         },
4303         access: function( owner, key, value ) {
4304
4305                 // In cases where either:
4306                 //
4307                 //   1. No key was specified
4308                 //   2. A string key was specified, but no value provided
4309                 //
4310                 // Take the "read" path and allow the get method to determine
4311                 // which value to return, respectively either:
4312                 //
4313                 //   1. The entire cache object
4314                 //   2. The data stored at the key
4315                 //
4316                 if ( key === undefined ||
4317                                 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4318
4319                         return this.get( owner, key );
4320                 }
4321
4322                 // When the key is not a string, or both a key and value
4323                 // are specified, set or extend (existing objects) with either:
4324                 //
4325                 //   1. An object of properties
4326                 //   2. A key and value
4327                 //
4328                 this.set( owner, key, value );
4329
4330                 // Since the "set" path can have two possible entry points
4331                 // return the expected data based on which path was taken[*]
4332                 return value !== undefined ? value : key;
4333         },
4334         remove: function( owner, key ) {
4335                 var i,
4336                         cache = owner[ this.expando ];
4337
4338                 if ( cache === undefined ) {
4339                         return;
4340                 }
4341
4342                 if ( key !== undefined ) {
4343
4344                         // Support array or space separated string of keys
4345                         if ( Array.isArray( key ) ) {
4346
4347                                 // If key is an array of keys...
4348                                 // We always set camelCase keys, so remove that.
4349                                 key = key.map( camelCase );
4350                         } else {
4351                                 key = camelCase( key );
4352
4353                                 // If a key with the spaces exists, use it.
4354                                 // Otherwise, create an array by matching non-whitespace
4355                                 key = key in cache ?
4356                                         [ key ] :
4357                                         ( key.match( rnothtmlwhite ) || [] );
4358                         }
4359
4360                         i = key.length;
4361
4362                         while ( i-- ) {
4363                                 delete cache[ key[ i ] ];
4364                         }
4365                 }
4366
4367                 // Remove the expando if there's no more data
4368                 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4369
4370                         // Support: Chrome <=35 - 45
4371                         // Webkit & Blink performance suffers when deleting properties
4372                         // from DOM nodes, so set to undefined instead
4373                         // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4374                         if ( owner.nodeType ) {
4375                                 owner[ this.expando ] = undefined;
4376                         } else {
4377                                 delete owner[ this.expando ];
4378                         }
4379                 }
4380         },
4381         hasData: function( owner ) {
4382                 var cache = owner[ this.expando ];
4383                 return cache !== undefined && !jQuery.isEmptyObject( cache );
4384         }
4385 };
4386 var dataPriv = new Data();
4387
4388 var dataUser = new Data();
4389
4390
4391
4392 //      Implementation Summary
4393 //
4394 //      1. Enforce API surface and semantic compatibility with 1.9.x branch
4395 //      2. Improve the module's maintainability by reducing the storage
4396 //              paths to a single mechanism.
4397 //      3. Use the same single mechanism to support "private" and "user" data.
4398 //      4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4399 //      5. Avoid exposing implementation details on user objects (eg. expando properties)
4400 //      6. Provide a clear path for implementation upgrade to WeakMap in 2014
4401
4402 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4403         rmultiDash = /[A-Z]/g;
4404
4405 function getData( data ) {
4406         if ( data === "true" ) {
4407                 return true;
4408         }
4409
4410         if ( data === "false" ) {
4411                 return false;
4412         }
4413
4414         if ( data === "null" ) {
4415                 return null;
4416         }
4417
4418         // Only convert to a number if it doesn't change the string
4419         if ( data === +data + "" ) {
4420                 return +data;
4421         }
4422
4423         if ( rbrace.test( data ) ) {
4424                 return JSON.parse( data );
4425         }
4426
4427         return data;
4428 }
4429
4430 function dataAttr( elem, key, data ) {
4431         var name;
4432
4433         // If nothing was found internally, try to fetch any
4434         // data from the HTML5 data-* attribute
4435         if ( data === undefined && elem.nodeType === 1 ) {
4436                 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4437                 data = elem.getAttribute( name );
4438
4439                 if ( typeof data === "string" ) {
4440                         try {
4441                                 data = getData( data );
4442                         } catch ( e ) {}
4443
4444                         // Make sure we set the data so it isn't changed later
4445                         dataUser.set( elem, key, data );
4446                 } else {
4447                         data = undefined;
4448                 }
4449         }
4450         return data;
4451 }
4452
4453 jQuery.extend( {
4454         hasData: function( elem ) {
4455                 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4456         },
4457
4458         data: function( elem, name, data ) {
4459                 return dataUser.access( elem, name, data );
4460         },
4461
4462         removeData: function( elem, name ) {
4463                 dataUser.remove( elem, name );
4464         },
4465
4466         // TODO: Now that all calls to _data and _removeData have been replaced
4467         // with direct calls to dataPriv methods, these can be deprecated.
4468         _data: function( elem, name, data ) {
4469                 return dataPriv.access( elem, name, data );
4470         },
4471
4472         _removeData: function( elem, name ) {
4473                 dataPriv.remove( elem, name );
4474         }
4475 } );
4476
4477 jQuery.fn.extend( {
4478         data: function( key, value ) {
4479                 var i, name, data,
4480                         elem = this[ 0 ],
4481                         attrs = elem && elem.attributes;
4482
4483                 // Gets all values
4484                 if ( key === undefined ) {
4485                         if ( this.length ) {
4486                                 data = dataUser.get( elem );
4487
4488                                 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4489                                         i = attrs.length;
4490                                         while ( i-- ) {
4491
4492                                                 // Support: IE 11 only
4493                                                 // The attrs elements can be null (#14894)
4494                                                 if ( attrs[ i ] ) {
4495                                                         name = attrs[ i ].name;
4496                                                         if ( name.indexOf( "data-" ) === 0 ) {
4497                                                                 name = camelCase( name.slice( 5 ) );
4498                                                                 dataAttr( elem, name, data[ name ] );
4499                                                         }
4500                                                 }
4501                                         }
4502                                         dataPriv.set( elem, "hasDataAttrs", true );
4503                                 }
4504                         }
4505
4506                         return data;
4507                 }
4508
4509                 // Sets multiple values
4510                 if ( typeof key === "object" ) {
4511                         return this.each( function() {
4512                                 dataUser.set( this, key );
4513                         } );
4514                 }
4515
4516                 return access( this, function( value ) {
4517                         var data;
4518
4519                         // The calling jQuery object (element matches) is not empty
4520                         // (and therefore has an element appears at this[ 0 ]) and the
4521                         // `value` parameter was not undefined. An empty jQuery object
4522                         // will result in `undefined` for elem = this[ 0 ] which will
4523                         // throw an exception if an attempt to read a data cache is made.
4524                         if ( elem && value === undefined ) {
4525
4526                                 // Attempt to get data from the cache
4527                                 // The key will always be camelCased in Data
4528                                 data = dataUser.get( elem, key );
4529                                 if ( data !== undefined ) {
4530                                         return data;
4531                                 }
4532
4533                                 // Attempt to "discover" the data in
4534                                 // HTML5 custom data-* attrs
4535                                 data = dataAttr( elem, key );
4536                                 if ( data !== undefined ) {
4537                                         return data;
4538                                 }
4539
4540                                 // We tried really hard, but the data doesn't exist.
4541                                 return;
4542                         }
4543
4544                         // Set the data...
4545                         this.each( function() {
4546
4547                                 // We always store the camelCased key
4548                                 dataUser.set( this, key, value );
4549                         } );
4550                 }, null, value, arguments.length > 1, null, true );
4551         },
4552
4553         removeData: function( key ) {
4554                 return this.each( function() {
4555                         dataUser.remove( this, key );
4556                 } );
4557         }
4558 } );
4559
4560
4561 jQuery.extend( {
4562         queue: function( elem, type, data ) {
4563                 var queue;
4564
4565                 if ( elem ) {
4566                         type = ( type || "fx" ) + "queue";
4567                         queue = dataPriv.get( elem, type );
4568
4569                         // Speed up dequeue by getting out quickly if this is just a lookup
4570                         if ( data ) {
4571                                 if ( !queue || Array.isArray( data ) ) {
4572                                         queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4573                                 } else {
4574                                         queue.push( data );
4575                                 }
4576                         }
4577                         return queue || [];
4578                 }
4579         },
4580
4581         dequeue: function( elem, type ) {
4582                 type = type || "fx";
4583
4584                 var queue = jQuery.queue( elem, type ),
4585                         startLength = queue.length,
4586                         fn = queue.shift(),
4587                         hooks = jQuery._queueHooks( elem, type ),
4588                         next = function() {
4589                                 jQuery.dequeue( elem, type );
4590                         };
4591
4592                 // If the fx queue is dequeued, always remove the progress sentinel
4593                 if ( fn === "inprogress" ) {
4594                         fn = queue.shift();
4595                         startLength--;
4596                 }
4597
4598                 if ( fn ) {
4599
4600                         // Add a progress sentinel to prevent the fx queue from being
4601                         // automatically dequeued
4602                         if ( type === "fx" ) {
4603                                 queue.unshift( "inprogress" );
4604                         }
4605
4606                         // Clear up the last queue stop function
4607                         delete hooks.stop;
4608                         fn.call( elem, next, hooks );
4609                 }
4610
4611                 if ( !startLength && hooks ) {
4612                         hooks.empty.fire();
4613                 }
4614         },
4615
4616         // Not public - generate a queueHooks object, or return the current one
4617         _queueHooks: function( elem, type ) {
4618                 var key = type + "queueHooks";
4619                 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4620                         empty: jQuery.Callbacks( "once memory" ).add( function() {
4621                                 dataPriv.remove( elem, [ type + "queue", key ] );
4622                         } )
4623                 } );
4624         }
4625 } );
4626
4627 jQuery.fn.extend( {
4628         queue: function( type, data ) {
4629                 var setter = 2;
4630
4631                 if ( typeof type !== "string" ) {
4632                         data = type;
4633                         type = "fx";
4634                         setter--;
4635                 }
4636
4637                 if ( arguments.length < setter ) {
4638                         return jQuery.queue( this[ 0 ], type );
4639                 }
4640
4641                 return data === undefined ?
4642                         this :
4643                         this.each( function() {
4644                                 var queue = jQuery.queue( this, type, data );
4645
4646                                 // Ensure a hooks for this queue
4647                                 jQuery._queueHooks( this, type );
4648
4649                                 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4650                                         jQuery.dequeue( this, type );
4651                                 }
4652                         } );
4653         },
4654         dequeue: function( type ) {
4655                 return this.each( function() {
4656                         jQuery.dequeue( this, type );
4657                 } );
4658         },
4659         clearQueue: function( type ) {
4660                 return this.queue( type || "fx", [] );
4661         },
4662
4663         // Get a promise resolved when queues of a certain type
4664         // are emptied (fx is the type by default)
4665         promise: function( type, obj ) {
4666                 var tmp,
4667                         count = 1,
4668                         defer = jQuery.Deferred(),
4669                         elements = this,
4670                         i = this.length,
4671                         resolve = function() {
4672                                 if ( !( --count ) ) {
4673                                         defer.resolveWith( elements, [ elements ] );
4674                                 }
4675                         };
4676
4677                 if ( typeof type !== "string" ) {
4678                         obj = type;
4679                         type = undefined;
4680                 }
4681                 type = type || "fx";
4682
4683                 while ( i-- ) {
4684                         tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4685                         if ( tmp && tmp.empty ) {
4686                                 count++;
4687                                 tmp.empty.add( resolve );
4688                         }
4689                 }
4690                 resolve();
4691                 return defer.promise( obj );
4692         }
4693 } );
4694 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4695
4696 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4697
4698
4699 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4700
4701 var documentElement = document.documentElement;
4702
4703
4704
4705         var isAttached = function( elem ) {
4706                         return jQuery.contains( elem.ownerDocument, elem );
4707                 },
4708                 composed = { composed: true };
4709
4710         // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4711         // Check attachment across shadow DOM boundaries when possible (gh-3504)
4712         // Support: iOS 10.0-10.2 only
4713         // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4714         // leading to errors. We need to check for `getRootNode`.
4715         if ( documentElement.getRootNode ) {
4716                 isAttached = function( elem ) {
4717                         return jQuery.contains( elem.ownerDocument, elem ) ||
4718                                 elem.getRootNode( composed ) === elem.ownerDocument;
4719                 };
4720         }
4721 var isHiddenWithinTree = function( elem, el ) {
4722
4723                 // isHiddenWithinTree might be called from jQuery#filter function;
4724                 // in that case, element will be second argument
4725                 elem = el || elem;
4726
4727                 // Inline style trumps all
4728                 return elem.style.display === "none" ||
4729                         elem.style.display === "" &&
4730
4731                         // Otherwise, check computed style
4732                         // Support: Firefox <=43 - 45
4733                         // Disconnected elements can have computed display: none, so first confirm that elem is
4734                         // in the document.
4735                         isAttached( elem ) &&
4736
4737                         jQuery.css( elem, "display" ) === "none";
4738         };
4739
4740
4741
4742 function adjustCSS( elem, prop, valueParts, tween ) {
4743         var adjusted, scale,
4744                 maxIterations = 20,
4745                 currentValue = tween ?
4746                         function() {
4747                                 return tween.cur();
4748                         } :
4749                         function() {
4750                                 return jQuery.css( elem, prop, "" );
4751                         },
4752                 initial = currentValue(),
4753                 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4754
4755                 // Starting value computation is required for potential unit mismatches
4756                 initialInUnit = elem.nodeType &&
4757                         ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4758                         rcssNum.exec( jQuery.css( elem, prop ) );
4759
4760         if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4761
4762                 // Support: Firefox <=54
4763                 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4764                 initial = initial / 2;
4765
4766                 // Trust units reported by jQuery.css
4767                 unit = unit || initialInUnit[ 3 ];
4768
4769                 // Iteratively approximate from a nonzero starting point
4770                 initialInUnit = +initial || 1;
4771
4772                 while ( maxIterations-- ) {
4773
4774                         // Evaluate and update our best guess (doubling guesses that zero out).
4775                         // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4776                         jQuery.style( elem, prop, initialInUnit + unit );
4777                         if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4778                                 maxIterations = 0;
4779                         }
4780                         initialInUnit = initialInUnit / scale;
4781
4782                 }
4783
4784                 initialInUnit = initialInUnit * 2;
4785                 jQuery.style( elem, prop, initialInUnit + unit );
4786
4787                 // Make sure we update the tween properties later on
4788                 valueParts = valueParts || [];
4789         }
4790
4791         if ( valueParts ) {
4792                 initialInUnit = +initialInUnit || +initial || 0;
4793
4794                 // Apply relative offset (+=/-=) if specified
4795                 adjusted = valueParts[ 1 ] ?
4796                         initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4797                         +valueParts[ 2 ];
4798                 if ( tween ) {
4799                         tween.unit = unit;
4800                         tween.start = initialInUnit;
4801                         tween.end = adjusted;
4802                 }
4803         }
4804         return adjusted;
4805 }
4806
4807
4808 var defaultDisplayMap = {};
4809
4810 function getDefaultDisplay( elem ) {
4811         var temp,
4812                 doc = elem.ownerDocument,
4813                 nodeName = elem.nodeName,
4814                 display = defaultDisplayMap[ nodeName ];
4815
4816         if ( display ) {
4817                 return display;
4818         }
4819
4820         temp = doc.body.appendChild( doc.createElement( nodeName ) );
4821         display = jQuery.css( temp, "display" );
4822
4823         temp.parentNode.removeChild( temp );
4824
4825         if ( display === "none" ) {
4826                 display = "block";
4827         }
4828         defaultDisplayMap[ nodeName ] = display;
4829
4830         return display;
4831 }
4832
4833 function showHide( elements, show ) {
4834         var display, elem,
4835                 values = [],
4836                 index = 0,
4837                 length = elements.length;
4838
4839         // Determine new display value for elements that need to change
4840         for ( ; index < length; index++ ) {
4841                 elem = elements[ index ];
4842                 if ( !elem.style ) {
4843                         continue;
4844                 }
4845
4846                 display = elem.style.display;
4847                 if ( show ) {
4848
4849                         // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4850                         // check is required in this first loop unless we have a nonempty display value (either
4851                         // inline or about-to-be-restored)
4852                         if ( display === "none" ) {
4853                                 values[ index ] = dataPriv.get( elem, "display" ) || null;
4854                                 if ( !values[ index ] ) {
4855                                         elem.style.display = "";
4856                                 }
4857                         }
4858                         if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4859                                 values[ index ] = getDefaultDisplay( elem );
4860                         }
4861                 } else {
4862                         if ( display !== "none" ) {
4863                                 values[ index ] = "none";
4864
4865                                 // Remember what we're overwriting
4866                                 dataPriv.set( elem, "display", display );
4867                         }
4868                 }
4869         }
4870
4871         // Set the display of the elements in a second loop to avoid constant reflow
4872         for ( index = 0; index < length; index++ ) {
4873                 if ( values[ index ] != null ) {
4874                         elements[ index ].style.display = values[ index ];
4875                 }
4876         }
4877
4878         return elements;
4879 }
4880
4881 jQuery.fn.extend( {
4882         show: function() {
4883                 return showHide( this, true );
4884         },
4885         hide: function() {
4886                 return showHide( this );
4887         },
4888         toggle: function( state ) {
4889                 if ( typeof state === "boolean" ) {
4890                         return state ? this.show() : this.hide();
4891                 }
4892
4893                 return this.each( function() {
4894                         if ( isHiddenWithinTree( this ) ) {
4895                                 jQuery( this ).show();
4896                         } else {
4897                                 jQuery( this ).hide();
4898                         }
4899                 } );
4900         }
4901 } );
4902 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4903
4904 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4905
4906 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4907
4908
4909
4910 ( function() {
4911         var fragment = document.createDocumentFragment(),
4912                 div = fragment.appendChild( document.createElement( "div" ) ),
4913                 input = document.createElement( "input" );
4914
4915         // Support: Android 4.0 - 4.3 only
4916         // Check state lost if the name is set (#11217)
4917         // Support: Windows Web Apps (WWA)
4918         // `name` and `type` must use .setAttribute for WWA (#14901)
4919         input.setAttribute( "type", "radio" );
4920         input.setAttribute( "checked", "checked" );
4921         input.setAttribute( "name", "t" );
4922
4923         div.appendChild( input );
4924
4925         // Support: Android <=4.1 only
4926         // Older WebKit doesn't clone checked state correctly in fragments
4927         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4928
4929         // Support: IE <=11 only
4930         // Make sure textarea (and checkbox) defaultValue is properly cloned
4931         div.innerHTML = "<textarea>x</textarea>";
4932         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4933
4934         // Support: IE <=9 only
4935         // IE <=9 replaces <option> tags with their contents when inserted outside of
4936         // the select element.
4937         div.innerHTML = "<option></option>";
4938         support.option = !!div.lastChild;
4939 } )();
4940
4941
4942 // We have to close these tags to support XHTML (#13200)
4943 var wrapMap = {
4944
4945         // XHTML parsers do not magically insert elements in the
4946         // same way that tag soup parsers do. So we cannot shorten
4947         // this by omitting <tbody> or other required elements.
4948         thead: [ 1, "<table>", "</table>" ],
4949         col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4950         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4951         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4952
4953         _default: [ 0, "", "" ]
4954 };
4955
4956 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4957 wrapMap.th = wrapMap.td;
4958
4959 // Support: IE <=9 only
4960 if ( !support.option ) {
4961         wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4962 }
4963
4964
4965 function getAll( context, tag ) {
4966
4967         // Support: IE <=9 - 11 only
4968         // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4969         var ret;
4970
4971         if ( typeof context.getElementsByTagName !== "undefined" ) {
4972                 ret = context.getElementsByTagName( tag || "*" );
4973
4974         } else if ( typeof context.querySelectorAll !== "undefined" ) {
4975                 ret = context.querySelectorAll( tag || "*" );
4976
4977         } else {
4978                 ret = [];
4979         }
4980
4981         if ( tag === undefined || tag && nodeName( context, tag ) ) {
4982                 return jQuery.merge( [ context ], ret );
4983         }
4984
4985         return ret;
4986 }
4987
4988
4989 // Mark scripts as having already been evaluated
4990 function setGlobalEval( elems, refElements ) {
4991         var i = 0,
4992                 l = elems.length;
4993
4994         for ( ; i < l; i++ ) {
4995                 dataPriv.set(
4996                         elems[ i ],
4997                         "globalEval",
4998                         !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4999                 );
5000         }
5001 }
5002
5003
5004 var rhtml = /<|&#?\w+;/;
5005
5006 function buildFragment( elems, context, scripts, selection, ignored ) {
5007         var elem, tmp, tag, wrap, attached, j,
5008                 fragment = context.createDocumentFragment(),
5009                 nodes = [],
5010                 i = 0,
5011                 l = elems.length;
5012
5013         for ( ; i < l; i++ ) {
5014                 elem = elems[ i ];
5015
5016                 if ( elem || elem === 0 ) {
5017
5018                         // Add nodes directly
5019                         if ( toType( elem ) === "object" ) {
5020
5021                                 // Support: Android <=4.0 only, PhantomJS 1 only
5022                                 // push.apply(_, arraylike) throws on ancient WebKit
5023                                 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5024
5025                         // Convert non-html into a text node
5026                         } else if ( !rhtml.test( elem ) ) {
5027                                 nodes.push( context.createTextNode( elem ) );
5028
5029                         // Convert html into DOM nodes
5030                         } else {
5031                                 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
5032
5033                                 // Deserialize a standard representation
5034                                 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
5035                                 wrap = wrapMap[ tag ] || wrapMap._default;
5036                                 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
5037
5038                                 // Descend through wrappers to the right content
5039                                 j = wrap[ 0 ];
5040                                 while ( j-- ) {
5041                                         tmp = tmp.lastChild;
5042                                 }
5043
5044                                 // Support: Android <=4.0 only, PhantomJS 1 only
5045                                 // push.apply(_, arraylike) throws on ancient WebKit
5046                                 jQuery.merge( nodes, tmp.childNodes );
5047
5048                                 // Remember the top-level container
5049                                 tmp = fragment.firstChild;
5050
5051                                 // Ensure the created nodes are orphaned (#12392)
5052                                 tmp.textContent = "";
5053                         }
5054                 }
5055         }
5056
5057         // Remove wrapper from fragment
5058         fragment.textContent = "";
5059
5060         i = 0;
5061         while ( ( elem = nodes[ i++ ] ) ) {
5062
5063                 // Skip elements already in the context collection (trac-4087)
5064                 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
5065                         if ( ignored ) {
5066                                 ignored.push( elem );
5067                         }
5068                         continue;
5069                 }
5070
5071                 attached = isAttached( elem );
5072
5073                 // Append to fragment
5074                 tmp = getAll( fragment.appendChild( elem ), "script" );
5075
5076                 // Preserve script evaluation history
5077                 if ( attached ) {
5078                         setGlobalEval( tmp );
5079                 }
5080
5081                 // Capture executables
5082                 if ( scripts ) {
5083                         j = 0;
5084                         while ( ( elem = tmp[ j++ ] ) ) {
5085                                 if ( rscriptType.test( elem.type || "" ) ) {
5086                                         scripts.push( elem );
5087                                 }
5088                         }
5089                 }
5090         }
5091
5092         return fragment;
5093 }
5094
5095
5096 var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
5097
5098 function returnTrue() {
5099         return true;
5100 }
5101
5102 function returnFalse() {
5103         return false;
5104 }
5105
5106 // Support: IE <=9 - 11+
5107 // focus() and blur() are asynchronous, except when they are no-op.
5108 // So expect focus to be synchronous when the element is already active,
5109 // and blur to be synchronous when the element is not already active.
5110 // (focus and blur are always synchronous in other supported browsers,
5111 // this just defines when we can count on it).
5112 function expectSync( elem, type ) {
5113         return ( elem === safeActiveElement() ) === ( type === "focus" );
5114 }
5115
5116 // Support: IE <=9 only
5117 // Accessing document.activeElement can throw unexpectedly
5118 // https://bugs.jquery.com/ticket/13393
5119 function safeActiveElement() {
5120         try {
5121                 return document.activeElement;
5122         } catch ( err ) { }
5123 }
5124
5125 function on( elem, types, selector, data, fn, one ) {
5126         var origFn, type;
5127
5128         // Types can be a map of types/handlers
5129         if ( typeof types === "object" ) {
5130
5131                 // ( types-Object, selector, data )
5132                 if ( typeof selector !== "string" ) {
5133
5134                         // ( types-Object, data )
5135                         data = data || selector;
5136                         selector = undefined;
5137                 }
5138                 for ( type in types ) {
5139                         on( elem, type, selector, data, types[ type ], one );
5140                 }
5141                 return elem;
5142         }
5143
5144         if ( data == null && fn == null ) {
5145
5146                 // ( types, fn )
5147                 fn = selector;
5148                 data = selector = undefined;
5149         } else if ( fn == null ) {
5150                 if ( typeof selector === "string" ) {
5151
5152                         // ( types, selector, fn )
5153                         fn = data;
5154                         data = undefined;
5155                 } else {
5156
5157                         // ( types, data, fn )
5158                         fn = data;
5159                         data = selector;
5160                         selector = undefined;
5161                 }
5162         }
5163         if ( fn === false ) {
5164                 fn = returnFalse;
5165         } else if ( !fn ) {
5166                 return elem;
5167         }
5168
5169         if ( one === 1 ) {
5170                 origFn = fn;
5171                 fn = function( event ) {
5172
5173                         // Can use an empty set, since event contains the info
5174                         jQuery().off( event );
5175                         return origFn.apply( this, arguments );
5176                 };
5177
5178                 // Use same guid so caller can remove using origFn
5179                 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5180         }
5181         return elem.each( function() {
5182                 jQuery.event.add( this, types, fn, data, selector );
5183         } );
5184 }
5185
5186 /*
5187  * Helper functions for managing events -- not part of the public interface.
5188  * Props to Dean Edwards' addEvent library for many of the ideas.
5189  */
5190 jQuery.event = {
5191
5192         global: {},
5193
5194         add: function( elem, types, handler, data, selector ) {
5195
5196                 var handleObjIn, eventHandle, tmp,
5197                         events, t, handleObj,
5198                         special, handlers, type, namespaces, origType,
5199                         elemData = dataPriv.get( elem );
5200
5201                 // Only attach events to objects that accept data
5202                 if ( !acceptData( elem ) ) {
5203                         return;
5204                 }
5205
5206                 // Caller can pass in an object of custom data in lieu of the handler
5207                 if ( handler.handler ) {
5208                         handleObjIn = handler;
5209                         handler = handleObjIn.handler;
5210                         selector = handleObjIn.selector;
5211                 }
5212
5213                 // Ensure that invalid selectors throw exceptions at attach time
5214                 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5215                 if ( selector ) {
5216                         jQuery.find.matchesSelector( documentElement, selector );
5217                 }
5218
5219                 // Make sure that the handler has a unique ID, used to find/remove it later
5220                 if ( !handler.guid ) {
5221                         handler.guid = jQuery.guid++;
5222                 }
5223
5224                 // Init the element's event structure and main handler, if this is the first
5225                 if ( !( events = elemData.events ) ) {
5226                         events = elemData.events = Object.create( null );
5227                 }
5228                 if ( !( eventHandle = elemData.handle ) ) {
5229                         eventHandle = elemData.handle = function( e ) {
5230
5231                                 // Discard the second event of a jQuery.event.trigger() and
5232                                 // when an event is called after a page has unloaded
5233                                 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5234                                         jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5235                         };
5236                 }
5237
5238                 // Handle multiple events separated by a space
5239                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5240                 t = types.length;
5241                 while ( t-- ) {
5242                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5243                         type = origType = tmp[ 1 ];
5244                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5245
5246                         // There *must* be a type, no attaching namespace-only handlers
5247                         if ( !type ) {
5248                                 continue;
5249                         }
5250
5251                         // If event changes its type, use the special event handlers for the changed type
5252                         special = jQuery.event.special[ type ] || {};
5253
5254                         // If selector defined, determine special event api type, otherwise given type
5255                         type = ( selector ? special.delegateType : special.bindType ) || type;
5256
5257                         // Update special based on newly reset type
5258                         special = jQuery.event.special[ type ] || {};
5259
5260                         // handleObj is passed to all event handlers
5261                         handleObj = jQuery.extend( {
5262                                 type: type,
5263                                 origType: origType,
5264                                 data: data,
5265                                 handler: handler,
5266                                 guid: handler.guid,
5267                                 selector: selector,
5268                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5269                                 namespace: namespaces.join( "." )
5270                         }, handleObjIn );
5271
5272                         // Init the event handler queue if we're the first
5273                         if ( !( handlers = events[ type ] ) ) {
5274                                 handlers = events[ type ] = [];
5275                                 handlers.delegateCount = 0;
5276
5277                                 // Only use addEventListener if the special events handler returns false
5278                                 if ( !special.setup ||
5279                                         special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5280
5281                                         if ( elem.addEventListener ) {
5282                                                 elem.addEventListener( type, eventHandle );
5283                                         }
5284                                 }
5285                         }
5286
5287                         if ( special.add ) {
5288                                 special.add.call( elem, handleObj );
5289
5290                                 if ( !handleObj.handler.guid ) {
5291                                         handleObj.handler.guid = handler.guid;
5292                                 }
5293                         }
5294
5295                         // Add to the element's handler list, delegates in front
5296                         if ( selector ) {
5297                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
5298                         } else {
5299                                 handlers.push( handleObj );
5300                         }
5301
5302                         // Keep track of which events have ever been used, for event optimization
5303                         jQuery.event.global[ type ] = true;
5304                 }
5305
5306         },
5307
5308         // Detach an event or set of events from an element
5309         remove: function( elem, types, handler, selector, mappedTypes ) {
5310
5311                 var j, origCount, tmp,
5312                         events, t, handleObj,
5313                         special, handlers, type, namespaces, origType,
5314                         elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5315
5316                 if ( !elemData || !( events = elemData.events ) ) {
5317                         return;
5318                 }
5319
5320                 // Once for each type.namespace in types; type may be omitted
5321                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5322                 t = types.length;
5323                 while ( t-- ) {
5324                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5325                         type = origType = tmp[ 1 ];
5326                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5327
5328                         // Unbind all events (on this namespace, if provided) for the element
5329                         if ( !type ) {
5330                                 for ( type in events ) {
5331                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5332                                 }
5333                                 continue;
5334                         }
5335
5336                         special = jQuery.event.special[ type ] || {};
5337                         type = ( selector ? special.delegateType : special.bindType ) || type;
5338                         handlers = events[ type ] || [];
5339                         tmp = tmp[ 2 ] &&
5340                                 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5341
5342                         // Remove matching events
5343                         origCount = j = handlers.length;
5344                         while ( j-- ) {
5345                                 handleObj = handlers[ j ];
5346
5347                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
5348                                         ( !handler || handler.guid === handleObj.guid ) &&
5349                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
5350                                         ( !selector || selector === handleObj.selector ||
5351                                                 selector === "**" && handleObj.selector ) ) {
5352                                         handlers.splice( j, 1 );
5353
5354                                         if ( handleObj.selector ) {
5355                                                 handlers.delegateCount--;
5356                                         }
5357                                         if ( special.remove ) {
5358                                                 special.remove.call( elem, handleObj );
5359                                         }
5360                                 }
5361                         }
5362
5363                         // Remove generic event handler if we removed something and no more handlers exist
5364                         // (avoids potential for endless recursion during removal of special event handlers)
5365                         if ( origCount && !handlers.length ) {
5366                                 if ( !special.teardown ||
5367                                         special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5368
5369                                         jQuery.removeEvent( elem, type, elemData.handle );
5370                                 }
5371
5372                                 delete events[ type ];
5373                         }
5374                 }
5375
5376                 // Remove data and the expando if it's no longer used
5377                 if ( jQuery.isEmptyObject( events ) ) {
5378                         dataPriv.remove( elem, "handle events" );
5379                 }
5380         },
5381
5382         dispatch: function( nativeEvent ) {
5383
5384                 var i, j, ret, matched, handleObj, handlerQueue,
5385                         args = new Array( arguments.length ),
5386
5387                         // Make a writable jQuery.Event from the native event object
5388                         event = jQuery.event.fix( nativeEvent ),
5389
5390                         handlers = (
5391                                 dataPriv.get( this, "events" ) || Object.create( null )
5392                         )[ event.type ] || [],
5393                         special = jQuery.event.special[ event.type ] || {};
5394
5395                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5396                 args[ 0 ] = event;
5397
5398                 for ( i = 1; i < arguments.length; i++ ) {
5399                         args[ i ] = arguments[ i ];
5400                 }
5401
5402                 event.delegateTarget = this;
5403
5404                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5405                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5406                         return;
5407                 }
5408
5409                 // Determine handlers
5410                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5411
5412                 // Run delegates first; they may want to stop propagation beneath us
5413                 i = 0;
5414                 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5415                         event.currentTarget = matched.elem;
5416
5417                         j = 0;
5418                         while ( ( handleObj = matched.handlers[ j++ ] ) &&
5419                                 !event.isImmediatePropagationStopped() ) {
5420
5421                                 // If the event is namespaced, then each handler is only invoked if it is
5422                                 // specially universal or its namespaces are a superset of the event's.
5423                                 if ( !event.rnamespace || handleObj.namespace === false ||
5424                                         event.rnamespace.test( handleObj.namespace ) ) {
5425
5426                                         event.handleObj = handleObj;
5427                                         event.data = handleObj.data;
5428
5429                                         ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5430                                                 handleObj.handler ).apply( matched.elem, args );
5431
5432                                         if ( ret !== undefined ) {
5433                                                 if ( ( event.result = ret ) === false ) {
5434                                                         event.preventDefault();
5435                                                         event.stopPropagation();
5436                                                 }
5437                                         }
5438                                 }
5439                         }
5440                 }
5441
5442                 // Call the postDispatch hook for the mapped type
5443                 if ( special.postDispatch ) {
5444                         special.postDispatch.call( this, event );
5445                 }
5446
5447                 return event.result;
5448         },
5449
5450         handlers: function( event, handlers ) {
5451                 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5452                         handlerQueue = [],
5453                         delegateCount = handlers.delegateCount,
5454                         cur = event.target;
5455
5456                 // Find delegate handlers
5457                 if ( delegateCount &&
5458
5459                         // Support: IE <=9
5460                         // Black-hole SVG <use> instance trees (trac-13180)
5461                         cur.nodeType &&
5462
5463                         // Support: Firefox <=42
5464                         // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5465                         // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5466                         // Support: IE 11 only
5467                         // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5468                         !( event.type === "click" && event.button >= 1 ) ) {
5469
5470                         for ( ; cur !== this; cur = cur.parentNode || this ) {
5471
5472                                 // Don't check non-elements (#13208)
5473                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5474                                 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5475                                         matchedHandlers = [];
5476                                         matchedSelectors = {};
5477                                         for ( i = 0; i < delegateCount; i++ ) {
5478                                                 handleObj = handlers[ i ];
5479
5480                                                 // Don't conflict with Object.prototype properties (#13203)
5481                                                 sel = handleObj.selector + " ";
5482
5483                                                 if ( matchedSelectors[ sel ] === undefined ) {
5484                                                         matchedSelectors[ sel ] = handleObj.needsContext ?
5485                                                                 jQuery( sel, this ).index( cur ) > -1 :
5486                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5487                                                 }
5488                                                 if ( matchedSelectors[ sel ] ) {
5489                                                         matchedHandlers.push( handleObj );
5490                                                 }
5491                                         }
5492                                         if ( matchedHandlers.length ) {
5493                                                 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5494                                         }
5495                                 }
5496                         }
5497                 }
5498
5499                 // Add the remaining (directly-bound) handlers
5500                 cur = this;
5501                 if ( delegateCount < handlers.length ) {
5502                         handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5503                 }
5504
5505                 return handlerQueue;
5506         },
5507
5508         addProp: function( name, hook ) {
5509                 Object.defineProperty( jQuery.Event.prototype, name, {
5510                         enumerable: true,
5511                         configurable: true,
5512
5513                         get: isFunction( hook ) ?
5514                                 function() {
5515                                         if ( this.originalEvent ) {
5516                                                 return hook( this.originalEvent );
5517                                         }
5518                                 } :
5519                                 function() {
5520                                         if ( this.originalEvent ) {
5521                                                 return this.originalEvent[ name ];
5522                                         }
5523                                 },
5524
5525                         set: function( value ) {
5526                                 Object.defineProperty( this, name, {
5527                                         enumerable: true,
5528                                         configurable: true,
5529                                         writable: true,
5530                                         value: value
5531                                 } );
5532                         }
5533                 } );
5534         },
5535
5536         fix: function( originalEvent ) {
5537                 return originalEvent[ jQuery.expando ] ?
5538                         originalEvent :
5539                         new jQuery.Event( originalEvent );
5540         },
5541
5542         special: {
5543                 load: {
5544
5545                         // Prevent triggered image.load events from bubbling to window.load
5546                         noBubble: true
5547                 },
5548                 click: {
5549
5550                         // Utilize native event to ensure correct state for checkable inputs
5551                         setup: function( data ) {
5552
5553                                 // For mutual compressibility with _default, replace `this` access with a local var.
5554                                 // `|| data` is dead code meant only to preserve the variable through minification.
5555                                 var el = this || data;
5556
5557                                 // Claim the first handler
5558                                 if ( rcheckableType.test( el.type ) &&
5559                                         el.click && nodeName( el, "input" ) ) {
5560
5561                                         // dataPriv.set( el, "click", ... )
5562                                         leverageNative( el, "click", returnTrue );
5563                                 }
5564
5565                                 // Return false to allow normal processing in the caller
5566                                 return false;
5567                         },
5568                         trigger: function( data ) {
5569
5570                                 // For mutual compressibility with _default, replace `this` access with a local var.
5571                                 // `|| data` is dead code meant only to preserve the variable through minification.
5572                                 var el = this || data;
5573
5574                                 // Force setup before triggering a click
5575                                 if ( rcheckableType.test( el.type ) &&
5576                                         el.click && nodeName( el, "input" ) ) {
5577
5578                                         leverageNative( el, "click" );
5579                                 }
5580
5581                                 // Return non-false to allow normal event-path propagation
5582                                 return true;
5583                         },
5584
5585                         // For cross-browser consistency, suppress native .click() on links
5586                         // Also prevent it if we're currently inside a leveraged native-event stack
5587                         _default: function( event ) {
5588                                 var target = event.target;
5589                                 return rcheckableType.test( target.type ) &&
5590                                         target.click && nodeName( target, "input" ) &&
5591                                         dataPriv.get( target, "click" ) ||
5592                                         nodeName( target, "a" );
5593                         }
5594                 },
5595
5596                 beforeunload: {
5597                         postDispatch: function( event ) {
5598
5599                                 // Support: Firefox 20+
5600                                 // Firefox doesn't alert if the returnValue field is not set.
5601                                 if ( event.result !== undefined && event.originalEvent ) {
5602                                         event.originalEvent.returnValue = event.result;
5603                                 }
5604                         }
5605                 }
5606         }
5607 };
5608
5609 // Ensure the presence of an event listener that handles manually-triggered
5610 // synthetic events by interrupting progress until reinvoked in response to
5611 // *native* events that it fires directly, ensuring that state changes have
5612 // already occurred before other listeners are invoked.
5613 function leverageNative( el, type, expectSync ) {
5614
5615         // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5616         if ( !expectSync ) {
5617                 if ( dataPriv.get( el, type ) === undefined ) {
5618                         jQuery.event.add( el, type, returnTrue );
5619                 }
5620                 return;
5621         }
5622
5623         // Register the controller as a special universal handler for all event namespaces
5624         dataPriv.set( el, type, false );
5625         jQuery.event.add( el, type, {
5626                 namespace: false,
5627                 handler: function( event ) {
5628                         var notAsync, result,
5629                                 saved = dataPriv.get( this, type );
5630
5631                         if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5632
5633                                 // Interrupt processing of the outer synthetic .trigger()ed event
5634                                 // Saved data should be false in such cases, but might be a leftover capture object
5635                                 // from an async native handler (gh-4350)
5636                                 if ( !saved.length ) {
5637
5638                                         // Store arguments for use when handling the inner native event
5639                                         // There will always be at least one argument (an event object), so this array
5640                                         // will not be confused with a leftover capture object.
5641                                         saved = slice.call( arguments );
5642                                         dataPriv.set( this, type, saved );
5643
5644                                         // Trigger the native event and capture its result
5645                                         // Support: IE <=9 - 11+
5646                                         // focus() and blur() are asynchronous
5647                                         notAsync = expectSync( this, type );
5648                                         this[ type ]();
5649                                         result = dataPriv.get( this, type );
5650                                         if ( saved !== result || notAsync ) {
5651                                                 dataPriv.set( this, type, false );
5652                                         } else {
5653                                                 result = {};
5654                                         }
5655                                         if ( saved !== result ) {
5656
5657                                                 // Cancel the outer synthetic event
5658                                                 event.stopImmediatePropagation();
5659                                                 event.preventDefault();
5660
5661                                                 // Support: Chrome 86+
5662                                                 // In Chrome, if an element having a focusout handler is blurred by
5663                                                 // clicking outside of it, it invokes the handler synchronously. If
5664                                                 // that handler calls `.remove()` on the element, the data is cleared,
5665                                                 // leaving `result` undefined. We need to guard against this.
5666                                                 return result && result.value;
5667                                         }
5668
5669                                 // If this is an inner synthetic event for an event with a bubbling surrogate
5670                                 // (focus or blur), assume that the surrogate already propagated from triggering the
5671                                 // native event and prevent that from happening again here.
5672                                 // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5673                                 // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5674                                 // less bad than duplication.
5675                                 } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5676                                         event.stopPropagation();
5677                                 }
5678
5679                         // If this is a native event triggered above, everything is now in order
5680                         // Fire an inner synthetic event with the original arguments
5681                         } else if ( saved.length ) {
5682
5683                                 // ...and capture the result
5684                                 dataPriv.set( this, type, {
5685                                         value: jQuery.event.trigger(
5686
5687                                                 // Support: IE <=9 - 11+
5688                                                 // Extend with the prototype to reset the above stopImmediatePropagation()
5689                                                 jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5690                                                 saved.slice( 1 ),
5691                                                 this
5692                                         )
5693                                 } );
5694
5695                                 // Abort handling of the native event
5696                                 event.stopImmediatePropagation();
5697                         }
5698                 }
5699         } );
5700 }
5701
5702 jQuery.removeEvent = function( elem, type, handle ) {
5703
5704         // This "if" is needed for plain objects
5705         if ( elem.removeEventListener ) {
5706                 elem.removeEventListener( type, handle );
5707         }
5708 };
5709
5710 jQuery.Event = function( src, props ) {
5711
5712         // Allow instantiation without the 'new' keyword
5713         if ( !( this instanceof jQuery.Event ) ) {
5714                 return new jQuery.Event( src, props );
5715         }
5716
5717         // Event object
5718         if ( src && src.type ) {
5719                 this.originalEvent = src;
5720                 this.type = src.type;
5721
5722                 // Events bubbling up the document may have been marked as prevented
5723                 // by a handler lower down the tree; reflect the correct value.
5724                 this.isDefaultPrevented = src.defaultPrevented ||
5725                                 src.defaultPrevented === undefined &&
5726
5727                                 // Support: Android <=2.3 only
5728                                 src.returnValue === false ?
5729                         returnTrue :
5730                         returnFalse;
5731
5732                 // Create target properties
5733                 // Support: Safari <=6 - 7 only
5734                 // Target should not be a text node (#504, #13143)
5735                 this.target = ( src.target && src.target.nodeType === 3 ) ?
5736                         src.target.parentNode :
5737                         src.target;
5738
5739                 this.currentTarget = src.currentTarget;
5740                 this.relatedTarget = src.relatedTarget;
5741
5742         // Event type
5743         } else {
5744                 this.type = src;
5745         }
5746
5747         // Put explicitly provided properties onto the event object
5748         if ( props ) {
5749                 jQuery.extend( this, props );
5750         }
5751
5752         // Create a timestamp if incoming event doesn't have one
5753         this.timeStamp = src && src.timeStamp || Date.now();
5754
5755         // Mark it as fixed
5756         this[ jQuery.expando ] = true;
5757 };
5758
5759 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5760 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5761 jQuery.Event.prototype = {
5762         constructor: jQuery.Event,
5763         isDefaultPrevented: returnFalse,
5764         isPropagationStopped: returnFalse,
5765         isImmediatePropagationStopped: returnFalse,
5766         isSimulated: false,
5767
5768         preventDefault: function() {
5769                 var e = this.originalEvent;
5770
5771                 this.isDefaultPrevented = returnTrue;
5772
5773                 if ( e && !this.isSimulated ) {
5774                         e.preventDefault();
5775                 }
5776         },
5777         stopPropagation: function() {
5778                 var e = this.originalEvent;
5779
5780                 this.isPropagationStopped = returnTrue;
5781
5782                 if ( e && !this.isSimulated ) {
5783                         e.stopPropagation();
5784                 }
5785         },
5786         stopImmediatePropagation: function() {
5787                 var e = this.originalEvent;
5788
5789                 this.isImmediatePropagationStopped = returnTrue;
5790
5791                 if ( e && !this.isSimulated ) {
5792                         e.stopImmediatePropagation();
5793                 }
5794
5795                 this.stopPropagation();
5796         }
5797 };
5798
5799 // Includes all common event props including KeyEvent and MouseEvent specific props
5800 jQuery.each( {
5801         altKey: true,
5802         bubbles: true,
5803         cancelable: true,
5804         changedTouches: true,
5805         ctrlKey: true,
5806         detail: true,
5807         eventPhase: true,
5808         metaKey: true,
5809         pageX: true,
5810         pageY: true,
5811         shiftKey: true,
5812         view: true,
5813         "char": true,
5814         code: true,
5815         charCode: true,
5816         key: true,
5817         keyCode: true,
5818         button: true,
5819         buttons: true,
5820         clientX: true,
5821         clientY: true,
5822         offsetX: true,
5823         offsetY: true,
5824         pointerId: true,
5825         pointerType: true,
5826         screenX: true,
5827         screenY: true,
5828         targetTouches: true,
5829         toElement: true,
5830         touches: true,
5831         which: true
5832 }, jQuery.event.addProp );
5833
5834 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5835         jQuery.event.special[ type ] = {
5836
5837                 // Utilize native event if possible so blur/focus sequence is correct
5838                 setup: function() {
5839
5840                         // Claim the first handler
5841                         // dataPriv.set( this, "focus", ... )
5842                         // dataPriv.set( this, "blur", ... )
5843                         leverageNative( this, type, expectSync );
5844
5845                         // Return false to allow normal processing in the caller
5846                         return false;
5847                 },
5848                 trigger: function() {
5849
5850                         // Force setup before trigger
5851                         leverageNative( this, type );
5852
5853                         // Return non-false to allow normal event-path propagation
5854                         return true;
5855                 },
5856
5857                 // Suppress native focus or blur as it's already being fired
5858                 // in leverageNative.
5859                 _default: function() {
5860                         return true;
5861                 },
5862
5863                 delegateType: delegateType
5864         };
5865 } );
5866
5867 // Create mouseenter/leave events using mouseover/out and event-time checks
5868 // so that event delegation works in jQuery.
5869 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5870 //
5871 // Support: Safari 7 only
5872 // Safari sends mouseenter too often; see:
5873 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5874 // for the description of the bug (it existed in older Chrome versions as well).
5875 jQuery.each( {
5876         mouseenter: "mouseover",
5877         mouseleave: "mouseout",
5878         pointerenter: "pointerover",
5879         pointerleave: "pointerout"
5880 }, function( orig, fix ) {
5881         jQuery.event.special[ orig ] = {
5882                 delegateType: fix,
5883                 bindType: fix,
5884
5885                 handle: function( event ) {
5886                         var ret,
5887                                 target = this,
5888                                 related = event.relatedTarget,
5889                                 handleObj = event.handleObj;
5890
5891                         // For mouseenter/leave call the handler if related is outside the target.
5892                         // NB: No relatedTarget if the mouse left/entered the browser window
5893                         if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5894                                 event.type = handleObj.origType;
5895                                 ret = handleObj.handler.apply( this, arguments );
5896                                 event.type = fix;
5897                         }
5898                         return ret;
5899                 }
5900         };
5901 } );
5902
5903 jQuery.fn.extend( {
5904
5905         on: function( types, selector, data, fn ) {
5906                 return on( this, types, selector, data, fn );
5907         },
5908         one: function( types, selector, data, fn ) {
5909                 return on( this, types, selector, data, fn, 1 );
5910         },
5911         off: function( types, selector, fn ) {
5912                 var handleObj, type;
5913                 if ( types && types.preventDefault && types.handleObj ) {
5914
5915                         // ( event )  dispatched jQuery.Event
5916                         handleObj = types.handleObj;
5917                         jQuery( types.delegateTarget ).off(
5918                                 handleObj.namespace ?
5919                                         handleObj.origType + "." + handleObj.namespace :
5920                                         handleObj.origType,
5921                                 handleObj.selector,
5922                                 handleObj.handler
5923                         );
5924                         return this;
5925                 }
5926                 if ( typeof types === "object" ) {
5927
5928                         // ( types-object [, selector] )
5929                         for ( type in types ) {
5930                                 this.off( type, selector, types[ type ] );
5931                         }
5932                         return this;
5933                 }
5934                 if ( selector === false || typeof selector === "function" ) {
5935
5936                         // ( types [, fn] )
5937                         fn = selector;
5938                         selector = undefined;
5939                 }
5940                 if ( fn === false ) {
5941                         fn = returnFalse;
5942                 }
5943                 return this.each( function() {
5944                         jQuery.event.remove( this, types, fn, selector );
5945                 } );
5946         }
5947 } );
5948
5949
5950 var
5951
5952         // Support: IE <=10 - 11, Edge 12 - 13 only
5953         // In IE/Edge using regex groups here causes severe slowdowns.
5954         // See https://connect.microsoft.com/IE/feedback/details/1736512/
5955         rnoInnerhtml = /<script|<style|<link/i,
5956
5957         // checked="checked" or checked
5958         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5959         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5960
5961 // Prefer a tbody over its parent table for containing new rows
5962 function manipulationTarget( elem, content ) {
5963         if ( nodeName( elem, "table" ) &&
5964                 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5965
5966                 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5967         }
5968
5969         return elem;
5970 }
5971
5972 // Replace/restore the type attribute of script elements for safe DOM manipulation
5973 function disableScript( elem ) {
5974         elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5975         return elem;
5976 }
5977 function restoreScript( elem ) {
5978         if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5979                 elem.type = elem.type.slice( 5 );
5980         } else {
5981                 elem.removeAttribute( "type" );
5982         }
5983
5984         return elem;
5985 }
5986
5987 function cloneCopyEvent( src, dest ) {
5988         var i, l, type, pdataOld, udataOld, udataCur, events;
5989
5990         if ( dest.nodeType !== 1 ) {
5991                 return;
5992         }
5993
5994         // 1. Copy private data: events, handlers, etc.
5995         if ( dataPriv.hasData( src ) ) {
5996                 pdataOld = dataPriv.get( src );
5997                 events = pdataOld.events;
5998
5999                 if ( events ) {
6000                         dataPriv.remove( dest, "handle events" );
6001
6002                         for ( type in events ) {
6003                                 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6004                                         jQuery.event.add( dest, type, events[ type ][ i ] );
6005                                 }
6006                         }
6007                 }
6008         }
6009
6010         // 2. Copy user data
6011         if ( dataUser.hasData( src ) ) {
6012                 udataOld = dataUser.access( src );
6013                 udataCur = jQuery.extend( {}, udataOld );
6014
6015                 dataUser.set( dest, udataCur );
6016         }
6017 }
6018
6019 // Fix IE bugs, see support tests
6020 function fixInput( src, dest ) {
6021         var nodeName = dest.nodeName.toLowerCase();
6022
6023         // Fails to persist the checked state of a cloned checkbox or radio button.
6024         if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6025                 dest.checked = src.checked;
6026
6027         // Fails to return the selected option to the default selected state when cloning options
6028         } else if ( nodeName === "input" || nodeName === "textarea" ) {
6029                 dest.defaultValue = src.defaultValue;
6030         }
6031 }
6032
6033 function domManip( collection, args, callback, ignored ) {
6034
6035         // Flatten any nested arrays
6036         args = flat( args );
6037
6038         var fragment, first, scripts, hasScripts, node, doc,
6039                 i = 0,
6040                 l = collection.length,
6041                 iNoClone = l - 1,
6042                 value = args[ 0 ],
6043                 valueIsFunction = isFunction( value );
6044
6045         // We can't cloneNode fragments that contain checked, in WebKit
6046         if ( valueIsFunction ||
6047                         ( l > 1 && typeof value === "string" &&
6048                                 !support.checkClone && rchecked.test( value ) ) ) {
6049                 return collection.each( function( index ) {
6050                         var self = collection.eq( index );
6051                         if ( valueIsFunction ) {
6052                                 args[ 0 ] = value.call( this, index, self.html() );
6053                         }
6054                         domManip( self, args, callback, ignored );
6055                 } );
6056         }
6057
6058         if ( l ) {
6059                 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
6060                 first = fragment.firstChild;
6061
6062                 if ( fragment.childNodes.length === 1 ) {
6063                         fragment = first;
6064                 }
6065
6066                 // Require either new content or an interest in ignored elements to invoke the callback
6067                 if ( first || ignored ) {
6068                         scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6069                         hasScripts = scripts.length;
6070
6071                         // Use the original fragment for the last item
6072                         // instead of the first because it can end up
6073                         // being emptied incorrectly in certain situations (#8070).
6074                         for ( ; i < l; i++ ) {
6075                                 node = fragment;
6076
6077                                 if ( i !== iNoClone ) {
6078                                         node = jQuery.clone( node, true, true );
6079
6080                                         // Keep references to cloned scripts for later restoration
6081                                         if ( hasScripts ) {
6082
6083                                                 // Support: Android <=4.0 only, PhantomJS 1 only
6084                                                 // push.apply(_, arraylike) throws on ancient WebKit
6085                                                 jQuery.merge( scripts, getAll( node, "script" ) );
6086                                         }
6087                                 }
6088
6089                                 callback.call( collection[ i ], node, i );
6090                         }
6091
6092                         if ( hasScripts ) {
6093                                 doc = scripts[ scripts.length - 1 ].ownerDocument;
6094
6095                                 // Reenable scripts
6096                                 jQuery.map( scripts, restoreScript );
6097
6098                                 // Evaluate executable scripts on first document insertion
6099                                 for ( i = 0; i < hasScripts; i++ ) {
6100                                         node = scripts[ i ];
6101                                         if ( rscriptType.test( node.type || "" ) &&
6102                                                 !dataPriv.access( node, "globalEval" ) &&
6103                                                 jQuery.contains( doc, node ) ) {
6104
6105                                                 if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
6106
6107                                                         // Optional AJAX dependency, but won't run scripts if not present
6108                                                         if ( jQuery._evalUrl && !node.noModule ) {
6109                                                                 jQuery._evalUrl( node.src, {
6110                                                                         nonce: node.nonce || node.getAttribute( "nonce" )
6111                                                                 }, doc );
6112                                                         }
6113                                                 } else {
6114                                                         DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
6115                                                 }
6116                                         }
6117                                 }
6118                         }
6119                 }
6120         }
6121
6122         return collection;
6123 }
6124
6125 function remove( elem, selector, keepData ) {
6126         var node,
6127                 nodes = selector ? jQuery.filter( selector, elem ) : elem,
6128                 i = 0;
6129
6130         for ( ; ( node = nodes[ i ] ) != null; i++ ) {
6131                 if ( !keepData && node.nodeType === 1 ) {
6132                         jQuery.cleanData( getAll( node ) );
6133                 }
6134
6135                 if ( node.parentNode ) {
6136                         if ( keepData && isAttached( node ) ) {
6137                                 setGlobalEval( getAll( node, "script" ) );
6138                         }
6139                         node.parentNode.removeChild( node );
6140                 }
6141         }
6142
6143         return elem;
6144 }
6145
6146 jQuery.extend( {
6147         htmlPrefilter: function( html ) {
6148                 return html;
6149         },
6150
6151         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6152                 var i, l, srcElements, destElements,
6153                         clone = elem.cloneNode( true ),
6154                         inPage = isAttached( elem );
6155
6156                 // Fix IE cloning issues
6157                 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
6158                                 !jQuery.isXMLDoc( elem ) ) {
6159
6160                         // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
6161                         destElements = getAll( clone );
6162                         srcElements = getAll( elem );
6163
6164                         for ( i = 0, l = srcElements.length; i < l; i++ ) {
6165                                 fixInput( srcElements[ i ], destElements[ i ] );
6166                         }
6167                 }
6168
6169                 // Copy the events from the original to the clone
6170                 if ( dataAndEvents ) {
6171                         if ( deepDataAndEvents ) {
6172                                 srcElements = srcElements || getAll( elem );
6173                                 destElements = destElements || getAll( clone );
6174
6175                                 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6176                                         cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6177                                 }
6178                         } else {
6179                                 cloneCopyEvent( elem, clone );
6180                         }
6181                 }
6182
6183                 // Preserve script evaluation history
6184                 destElements = getAll( clone, "script" );
6185                 if ( destElements.length > 0 ) {
6186                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6187                 }
6188
6189                 // Return the cloned set
6190                 return clone;
6191         },
6192
6193         cleanData: function( elems ) {
6194                 var data, elem, type,
6195                         special = jQuery.event.special,
6196                         i = 0;
6197
6198                 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6199                         if ( acceptData( elem ) ) {
6200                                 if ( ( data = elem[ dataPriv.expando ] ) ) {
6201                                         if ( data.events ) {
6202                                                 for ( type in data.events ) {
6203                                                         if ( special[ type ] ) {
6204                                                                 jQuery.event.remove( elem, type );
6205
6206                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
6207                                                         } else {
6208                                                                 jQuery.removeEvent( elem, type, data.handle );
6209                                                         }
6210                                                 }
6211                                         }
6212
6213                                         // Support: Chrome <=35 - 45+
6214                                         // Assign undefined instead of using delete, see Data#remove
6215                                         elem[ dataPriv.expando ] = undefined;
6216                                 }
6217                                 if ( elem[ dataUser.expando ] ) {
6218
6219                                         // Support: Chrome <=35 - 45+
6220                                         // Assign undefined instead of using delete, see Data#remove
6221                                         elem[ dataUser.expando ] = undefined;
6222                                 }
6223                         }
6224                 }
6225         }
6226 } );
6227
6228 jQuery.fn.extend( {
6229         detach: function( selector ) {
6230                 return remove( this, selector, true );
6231         },
6232
6233         remove: function( selector ) {
6234                 return remove( this, selector );
6235         },
6236
6237         text: function( value ) {
6238                 return access( this, function( value ) {
6239                         return value === undefined ?
6240                                 jQuery.text( this ) :
6241                                 this.empty().each( function() {
6242                                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6243                                                 this.textContent = value;
6244                                         }
6245                                 } );
6246                 }, null, value, arguments.length );
6247         },
6248
6249         append: function() {
6250                 return domManip( this, arguments, function( elem ) {
6251                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6252                                 var target = manipulationTarget( this, elem );
6253                                 target.appendChild( elem );
6254                         }
6255                 } );
6256         },
6257
6258         prepend: function() {
6259                 return domManip( this, arguments, function( elem ) {
6260                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6261                                 var target = manipulationTarget( this, elem );
6262                                 target.insertBefore( elem, target.firstChild );
6263                         }
6264                 } );
6265         },
6266
6267         before: function() {
6268                 return domManip( this, arguments, function( elem ) {
6269                         if ( this.parentNode ) {
6270                                 this.parentNode.insertBefore( elem, this );
6271                         }
6272                 } );
6273         },
6274
6275         after: function() {
6276                 return domManip( this, arguments, function( elem ) {
6277                         if ( this.parentNode ) {
6278                                 this.parentNode.insertBefore( elem, this.nextSibling );
6279                         }
6280                 } );
6281         },
6282
6283         empty: function() {
6284                 var elem,
6285                         i = 0;
6286
6287                 for ( ; ( elem = this[ i ] ) != null; i++ ) {
6288                         if ( elem.nodeType === 1 ) {
6289
6290                                 // Prevent memory leaks
6291                                 jQuery.cleanData( getAll( elem, false ) );
6292
6293                                 // Remove any remaining nodes
6294                                 elem.textContent = "";
6295                         }
6296                 }
6297
6298                 return this;
6299         },
6300
6301         clone: function( dataAndEvents, deepDataAndEvents ) {
6302                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6303                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6304
6305                 return this.map( function() {
6306                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6307                 } );
6308         },
6309
6310         html: function( value ) {
6311                 return access( this, function( value ) {
6312                         var elem = this[ 0 ] || {},
6313                                 i = 0,
6314                                 l = this.length;
6315
6316                         if ( value === undefined && elem.nodeType === 1 ) {
6317                                 return elem.innerHTML;
6318                         }
6319
6320                         // See if we can take a shortcut and just use innerHTML
6321                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6322                                 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6323
6324                                 value = jQuery.htmlPrefilter( value );
6325
6326                                 try {
6327                                         for ( ; i < l; i++ ) {
6328                                                 elem = this[ i ] || {};
6329
6330                                                 // Remove element nodes and prevent memory leaks
6331                                                 if ( elem.nodeType === 1 ) {
6332                                                         jQuery.cleanData( getAll( elem, false ) );
6333                                                         elem.innerHTML = value;
6334                                                 }
6335                                         }
6336
6337                                         elem = 0;
6338
6339                                 // If using innerHTML throws an exception, use the fallback method
6340                                 } catch ( e ) {}
6341                         }
6342
6343                         if ( elem ) {
6344                                 this.empty().append( value );
6345                         }
6346                 }, null, value, arguments.length );
6347         },
6348
6349         replaceWith: function() {
6350                 var ignored = [];
6351
6352                 // Make the changes, replacing each non-ignored context element with the new content
6353                 return domManip( this, arguments, function( elem ) {
6354                         var parent = this.parentNode;
6355
6356                         if ( jQuery.inArray( this, ignored ) < 0 ) {
6357                                 jQuery.cleanData( getAll( this ) );
6358                                 if ( parent ) {
6359                                         parent.replaceChild( elem, this );
6360                                 }
6361                         }
6362
6363                 // Force callback invocation
6364                 }, ignored );
6365         }
6366 } );
6367
6368 jQuery.each( {
6369         appendTo: "append",
6370         prependTo: "prepend",
6371         insertBefore: "before",
6372         insertAfter: "after",
6373         replaceAll: "replaceWith"
6374 }, function( name, original ) {
6375         jQuery.fn[ name ] = function( selector ) {
6376                 var elems,
6377                         ret = [],
6378                         insert = jQuery( selector ),
6379                         last = insert.length - 1,
6380                         i = 0;
6381
6382                 for ( ; i <= last; i++ ) {
6383                         elems = i === last ? this : this.clone( true );
6384                         jQuery( insert[ i ] )[ original ]( elems );
6385
6386                         // Support: Android <=4.0 only, PhantomJS 1 only
6387                         // .get() because push.apply(_, arraylike) throws on ancient WebKit
6388                         push.apply( ret, elems.get() );
6389                 }
6390
6391                 return this.pushStack( ret );
6392         };
6393 } );
6394 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6395
6396 var getStyles = function( elem ) {
6397
6398                 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6399                 // IE throws on elements created in popups
6400                 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6401                 var view = elem.ownerDocument.defaultView;
6402
6403                 if ( !view || !view.opener ) {
6404                         view = window;
6405                 }
6406
6407                 return view.getComputedStyle( elem );
6408         };
6409
6410 var swap = function( elem, options, callback ) {
6411         var ret, name,
6412                 old = {};
6413
6414         // Remember the old values, and insert the new ones
6415         for ( name in options ) {
6416                 old[ name ] = elem.style[ name ];
6417                 elem.style[ name ] = options[ name ];
6418         }
6419
6420         ret = callback.call( elem );
6421
6422         // Revert the old values
6423         for ( name in options ) {
6424                 elem.style[ name ] = old[ name ];
6425         }
6426
6427         return ret;
6428 };
6429
6430
6431 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6432
6433
6434
6435 ( function() {
6436
6437         // Executing both pixelPosition & boxSizingReliable tests require only one layout
6438         // so they're executed at the same time to save the second computation.
6439         function computeStyleTests() {
6440
6441                 // This is a singleton, we need to execute it only once
6442                 if ( !div ) {
6443                         return;
6444                 }
6445
6446                 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6447                         "margin-top:1px;padding:0;border:0";
6448                 div.style.cssText =
6449                         "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6450                         "margin:auto;border:1px;padding:1px;" +
6451                         "width:60%;top:1%";
6452                 documentElement.appendChild( container ).appendChild( div );
6453
6454                 var divStyle = window.getComputedStyle( div );
6455                 pixelPositionVal = divStyle.top !== "1%";
6456
6457                 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6458                 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6459
6460                 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6461                 // Some styles come back with percentage values, even though they shouldn't
6462                 div.style.right = "60%";
6463                 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6464
6465                 // Support: IE 9 - 11 only
6466                 // Detect misreporting of content dimensions for box-sizing:border-box elements
6467                 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6468
6469                 // Support: IE 9 only
6470                 // Detect overflow:scroll screwiness (gh-3699)
6471                 // Support: Chrome <=64
6472                 // Don't get tricked when zoom affects offsetWidth (gh-4029)
6473                 div.style.position = "absolute";
6474                 scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6475
6476                 documentElement.removeChild( container );
6477
6478                 // Nullify the div so it wouldn't be stored in the memory and
6479                 // it will also be a sign that checks already performed
6480                 div = null;
6481         }
6482
6483         function roundPixelMeasures( measure ) {
6484                 return Math.round( parseFloat( measure ) );
6485         }
6486
6487         var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6488                 reliableTrDimensionsVal, reliableMarginLeftVal,
6489                 container = document.createElement( "div" ),
6490                 div = document.createElement( "div" );
6491
6492         // Finish early in limited (non-browser) environments
6493         if ( !div.style ) {
6494                 return;
6495         }
6496
6497         // Support: IE <=9 - 11 only
6498         // Style of cloned element affects source element cloned (#8908)
6499         div.style.backgroundClip = "content-box";
6500         div.cloneNode( true ).style.backgroundClip = "";
6501         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6502
6503         jQuery.extend( support, {
6504                 boxSizingReliable: function() {
6505                         computeStyleTests();
6506                         return boxSizingReliableVal;
6507                 },
6508                 pixelBoxStyles: function() {
6509                         computeStyleTests();
6510                         return pixelBoxStylesVal;
6511                 },
6512                 pixelPosition: function() {
6513                         computeStyleTests();
6514                         return pixelPositionVal;
6515                 },
6516                 reliableMarginLeft: function() {
6517                         computeStyleTests();
6518                         return reliableMarginLeftVal;
6519                 },
6520                 scrollboxSize: function() {
6521                         computeStyleTests();
6522                         return scrollboxSizeVal;
6523                 },
6524
6525                 // Support: IE 9 - 11+, Edge 15 - 18+
6526                 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6527                 // set in CSS while `offset*` properties report correct values.
6528                 // Behavior in IE 9 is more subtle than in newer versions & it passes
6529                 // some versions of this test; make sure not to make it pass there!
6530                 //
6531                 // Support: Firefox 70+
6532                 // Only Firefox includes border widths
6533                 // in computed dimensions. (gh-4529)
6534                 reliableTrDimensions: function() {
6535                         var table, tr, trChild, trStyle;
6536                         if ( reliableTrDimensionsVal == null ) {
6537                                 table = document.createElement( "table" );
6538                                 tr = document.createElement( "tr" );
6539                                 trChild = document.createElement( "div" );
6540
6541                                 table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate";
6542                                 tr.style.cssText = "border:1px solid";
6543
6544                                 // Support: Chrome 86+
6545                                 // Height set through cssText does not get applied.
6546                                 // Computed height then comes back as 0.
6547                                 tr.style.height = "1px";
6548                                 trChild.style.height = "9px";
6549
6550                                 // Support: Android 8 Chrome 86+
6551                                 // In our bodyBackground.html iframe,
6552                                 // display for all div elements is set to "inline",
6553                                 // which causes a problem only in Android 8 Chrome 86.
6554                                 // Ensuring the div is display: block
6555                                 // gets around this issue.
6556                                 trChild.style.display = "block";
6557
6558                                 documentElement
6559                                         .appendChild( table )
6560                                         .appendChild( tr )
6561                                         .appendChild( trChild );
6562
6563                                 trStyle = window.getComputedStyle( tr );
6564                                 reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) +
6565                                         parseInt( trStyle.borderTopWidth, 10 ) +
6566                                         parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight;
6567
6568                                 documentElement.removeChild( table );
6569                         }
6570                         return reliableTrDimensionsVal;
6571                 }
6572         } );
6573 } )();
6574
6575
6576 function curCSS( elem, name, computed ) {
6577         var width, minWidth, maxWidth, ret,
6578
6579                 // Support: Firefox 51+
6580                 // Retrieving style before computed somehow
6581                 // fixes an issue with getting wrong values
6582                 // on detached elements
6583                 style = elem.style;
6584
6585         computed = computed || getStyles( elem );
6586
6587         // getPropertyValue is needed for:
6588         //   .css('filter') (IE 9 only, #12537)
6589         //   .css('--customProperty) (#3144)
6590         if ( computed ) {
6591                 ret = computed.getPropertyValue( name ) || computed[ name ];
6592
6593                 if ( ret === "" && !isAttached( elem ) ) {
6594                         ret = jQuery.style( elem, name );
6595                 }
6596
6597                 // A tribute to the "awesome hack by Dean Edwards"
6598                 // Android Browser returns percentage for some values,
6599                 // but width seems to be reliably pixels.
6600                 // This is against the CSSOM draft spec:
6601                 // https://drafts.csswg.org/cssom/#resolved-values
6602                 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6603
6604                         // Remember the original values
6605                         width = style.width;
6606                         minWidth = style.minWidth;
6607                         maxWidth = style.maxWidth;
6608
6609                         // Put in the new values to get a computed value out
6610                         style.minWidth = style.maxWidth = style.width = ret;
6611                         ret = computed.width;
6612
6613                         // Revert the changed values
6614                         style.width = width;
6615                         style.minWidth = minWidth;
6616                         style.maxWidth = maxWidth;
6617                 }
6618         }
6619
6620         return ret !== undefined ?
6621
6622                 // Support: IE <=9 - 11 only
6623                 // IE returns zIndex value as an integer.
6624                 ret + "" :
6625                 ret;
6626 }
6627
6628
6629 function addGetHookIf( conditionFn, hookFn ) {
6630
6631         // Define the hook, we'll check on the first run if it's really needed.
6632         return {
6633                 get: function() {
6634                         if ( conditionFn() ) {
6635
6636                                 // Hook not needed (or it's not possible to use it due
6637                                 // to missing dependency), remove it.
6638                                 delete this.get;
6639                                 return;
6640                         }
6641
6642                         // Hook needed; redefine it so that the support test is not executed again.
6643                         return ( this.get = hookFn ).apply( this, arguments );
6644                 }
6645         };
6646 }
6647
6648
6649 var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6650         emptyStyle = document.createElement( "div" ).style,
6651         vendorProps = {};
6652
6653 // Return a vendor-prefixed property or undefined
6654 function vendorPropName( name ) {
6655
6656         // Check for vendor prefixed names
6657         var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6658                 i = cssPrefixes.length;
6659
6660         while ( i-- ) {
6661                 name = cssPrefixes[ i ] + capName;
6662                 if ( name in emptyStyle ) {
6663                         return name;
6664                 }
6665         }
6666 }
6667
6668 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6669 function finalPropName( name ) {
6670         var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6671
6672         if ( final ) {
6673                 return final;
6674         }
6675         if ( name in emptyStyle ) {
6676                 return name;
6677         }
6678         return vendorProps[ name ] = vendorPropName( name ) || name;
6679 }
6680
6681
6682 var
6683
6684         // Swappable if display is none or starts with table
6685         // except "table", "table-cell", or "table-caption"
6686         // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6687         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6688         rcustomProp = /^--/,
6689         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6690         cssNormalTransform = {
6691                 letterSpacing: "0",
6692                 fontWeight: "400"
6693         };
6694
6695 function setPositiveNumber( _elem, value, subtract ) {
6696
6697         // Any relative (+/-) values have already been
6698         // normalized at this point
6699         var matches = rcssNum.exec( value );
6700         return matches ?
6701
6702                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6703                 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6704                 value;
6705 }
6706
6707 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6708         var i = dimension === "width" ? 1 : 0,
6709                 extra = 0,
6710                 delta = 0;
6711
6712         // Adjustment may not be necessary
6713         if ( box === ( isBorderBox ? "border" : "content" ) ) {
6714                 return 0;
6715         }
6716
6717         for ( ; i < 4; i += 2 ) {
6718
6719                 // Both box models exclude margin
6720                 if ( box === "margin" ) {
6721                         delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6722                 }
6723
6724                 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6725                 if ( !isBorderBox ) {
6726
6727                         // Add padding
6728                         delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6729
6730                         // For "border" or "margin", add border
6731                         if ( box !== "padding" ) {
6732                                 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6733
6734                         // But still keep track of it otherwise
6735                         } else {
6736                                 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6737                         }
6738
6739                 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6740                 // "padding" or "margin"
6741                 } else {
6742
6743                         // For "content", subtract padding
6744                         if ( box === "content" ) {
6745                                 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6746                         }
6747
6748                         // For "content" or "padding", subtract border
6749                         if ( box !== "margin" ) {
6750                                 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6751                         }
6752                 }
6753         }
6754
6755         // Account for positive content-box scroll gutter when requested by providing computedVal
6756         if ( !isBorderBox && computedVal >= 0 ) {
6757
6758                 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6759                 // Assuming integer scroll gutter, subtract the rest and round down
6760                 delta += Math.max( 0, Math.ceil(
6761                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6762                         computedVal -
6763                         delta -
6764                         extra -
6765                         0.5
6766
6767                 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6768                 // Use an explicit zero to avoid NaN (gh-3964)
6769                 ) ) || 0;
6770         }
6771
6772         return delta;
6773 }
6774
6775 function getWidthOrHeight( elem, dimension, extra ) {
6776
6777         // Start with computed style
6778         var styles = getStyles( elem ),
6779
6780                 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6781                 // Fake content-box until we know it's needed to know the true value.
6782                 boxSizingNeeded = !support.boxSizingReliable() || extra,
6783                 isBorderBox = boxSizingNeeded &&
6784                         jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6785                 valueIsBorderBox = isBorderBox,
6786
6787                 val = curCSS( elem, dimension, styles ),
6788                 offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6789
6790         // Support: Firefox <=54
6791         // Return a confounding non-pixel value or feign ignorance, as appropriate.
6792         if ( rnumnonpx.test( val ) ) {
6793                 if ( !extra ) {
6794                         return val;
6795                 }
6796                 val = "auto";
6797         }
6798
6799
6800         // Support: IE 9 - 11 only
6801         // Use offsetWidth/offsetHeight for when box sizing is unreliable.
6802         // In those cases, the computed value can be trusted to be border-box.
6803         if ( ( !support.boxSizingReliable() && isBorderBox ||
6804
6805                 // Support: IE 10 - 11+, Edge 15 - 18+
6806                 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6807                 // set in CSS while `offset*` properties report correct values.
6808                 // Interestingly, in some cases IE 9 doesn't suffer from this issue.
6809                 !support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
6810
6811                 // Fall back to offsetWidth/offsetHeight when value is "auto"
6812                 // This happens for inline elements with no explicit setting (gh-3571)
6813                 val === "auto" ||
6814
6815                 // Support: Android <=4.1 - 4.3 only
6816                 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6817                 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6818
6819                 // Make sure the element is visible & connected
6820                 elem.getClientRects().length ) {
6821
6822                 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6823
6824                 // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6825                 // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6826                 // retrieved value as a content box dimension.
6827                 valueIsBorderBox = offsetProp in elem;
6828                 if ( valueIsBorderBox ) {
6829                         val = elem[ offsetProp ];
6830                 }
6831         }
6832
6833         // Normalize "" and auto
6834         val = parseFloat( val ) || 0;
6835
6836         // Adjust for the element's box model
6837         return ( val +
6838                 boxModelAdjustment(
6839                         elem,
6840                         dimension,
6841                         extra || ( isBorderBox ? "border" : "content" ),
6842                         valueIsBorderBox,
6843                         styles,
6844
6845                         // Provide the current computed size to request scroll gutter calculation (gh-3589)
6846                         val
6847                 )
6848         ) + "px";
6849 }
6850
6851 jQuery.extend( {
6852
6853         // Add in style property hooks for overriding the default
6854         // behavior of getting and setting a style property
6855         cssHooks: {
6856                 opacity: {
6857                         get: function( elem, computed ) {
6858                                 if ( computed ) {
6859
6860                                         // We should always get a number back from opacity
6861                                         var ret = curCSS( elem, "opacity" );
6862                                         return ret === "" ? "1" : ret;
6863                                 }
6864                         }
6865                 }
6866         },
6867
6868         // Don't automatically add "px" to these possibly-unitless properties
6869         cssNumber: {
6870                 "animationIterationCount": true,
6871                 "columnCount": true,
6872                 "fillOpacity": true,
6873                 "flexGrow": true,
6874                 "flexShrink": true,
6875                 "fontWeight": true,
6876                 "gridArea": true,
6877                 "gridColumn": true,
6878                 "gridColumnEnd": true,
6879                 "gridColumnStart": true,
6880                 "gridRow": true,
6881                 "gridRowEnd": true,
6882                 "gridRowStart": true,
6883                 "lineHeight": true,
6884                 "opacity": true,
6885                 "order": true,
6886                 "orphans": true,
6887                 "widows": true,
6888                 "zIndex": true,
6889                 "zoom": true
6890         },
6891
6892         // Add in properties whose names you wish to fix before
6893         // setting or getting the value
6894         cssProps: {},
6895
6896         // Get and set the style property on a DOM Node
6897         style: function( elem, name, value, extra ) {
6898
6899                 // Don't set styles on text and comment nodes
6900                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6901                         return;
6902                 }
6903
6904                 // Make sure that we're working with the right name
6905                 var ret, type, hooks,
6906                         origName = camelCase( name ),
6907                         isCustomProp = rcustomProp.test( name ),
6908                         style = elem.style;
6909
6910                 // Make sure that we're working with the right name. We don't
6911                 // want to query the value if it is a CSS custom property
6912                 // since they are user-defined.
6913                 if ( !isCustomProp ) {
6914                         name = finalPropName( origName );
6915                 }
6916
6917                 // Gets hook for the prefixed version, then unprefixed version
6918                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6919
6920                 // Check if we're setting a value
6921                 if ( value !== undefined ) {
6922                         type = typeof value;
6923
6924                         // Convert "+=" or "-=" to relative numbers (#7345)
6925                         if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6926                                 value = adjustCSS( elem, name, ret );
6927
6928                                 // Fixes bug #9237
6929                                 type = "number";
6930                         }
6931
6932                         // Make sure that null and NaN values aren't set (#7116)
6933                         if ( value == null || value !== value ) {
6934                                 return;
6935                         }
6936
6937                         // If a number was passed in, add the unit (except for certain CSS properties)
6938                         // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6939                         // "px" to a few hardcoded values.
6940                         if ( type === "number" && !isCustomProp ) {
6941                                 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6942                         }
6943
6944                         // background-* props affect original clone's values
6945                         if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6946                                 style[ name ] = "inherit";
6947                         }
6948
6949                         // If a hook was provided, use that value, otherwise just set the specified value
6950                         if ( !hooks || !( "set" in hooks ) ||
6951                                 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6952
6953                                 if ( isCustomProp ) {
6954                                         style.setProperty( name, value );
6955                                 } else {
6956                                         style[ name ] = value;
6957                                 }
6958                         }
6959
6960                 } else {
6961
6962                         // If a hook was provided get the non-computed value from there
6963                         if ( hooks && "get" in hooks &&
6964                                 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6965
6966                                 return ret;
6967                         }
6968
6969                         // Otherwise just get the value from the style object
6970                         return style[ name ];
6971                 }
6972         },
6973
6974         css: function( elem, name, extra, styles ) {
6975                 var val, num, hooks,
6976                         origName = camelCase( name ),
6977                         isCustomProp = rcustomProp.test( name );
6978
6979                 // Make sure that we're working with the right name. We don't
6980                 // want to modify the value if it is a CSS custom property
6981                 // since they are user-defined.
6982                 if ( !isCustomProp ) {
6983                         name = finalPropName( origName );
6984                 }
6985
6986                 // Try prefixed name followed by the unprefixed name
6987                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6988
6989                 // If a hook was provided get the computed value from there
6990                 if ( hooks && "get" in hooks ) {
6991                         val = hooks.get( elem, true, extra );
6992                 }
6993
6994                 // Otherwise, if a way to get the computed value exists, use that
6995                 if ( val === undefined ) {
6996                         val = curCSS( elem, name, styles );
6997                 }
6998
6999                 // Convert "normal" to computed value
7000                 if ( val === "normal" && name in cssNormalTransform ) {
7001                         val = cssNormalTransform[ name ];
7002                 }
7003
7004                 // Make numeric if forced or a qualifier was provided and val looks numeric
7005                 if ( extra === "" || extra ) {
7006                         num = parseFloat( val );
7007                         return extra === true || isFinite( num ) ? num || 0 : val;
7008                 }
7009
7010                 return val;
7011         }
7012 } );
7013
7014 jQuery.each( [ "height", "width" ], function( _i, dimension ) {
7015         jQuery.cssHooks[ dimension ] = {
7016                 get: function( elem, computed, extra ) {
7017                         if ( computed ) {
7018
7019                                 // Certain elements can have dimension info if we invisibly show them
7020                                 // but it must have a current display style that would benefit
7021                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
7022
7023                                         // Support: Safari 8+
7024                                         // Table columns in Safari have non-zero offsetWidth & zero
7025                                         // getBoundingClientRect().width unless display is changed.
7026                                         // Support: IE <=11 only
7027                                         // Running getBoundingClientRect on a disconnected node
7028                                         // in IE throws an error.
7029                                         ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
7030                                         swap( elem, cssShow, function() {
7031                                                 return getWidthOrHeight( elem, dimension, extra );
7032                                         } ) :
7033                                         getWidthOrHeight( elem, dimension, extra );
7034                         }
7035                 },
7036
7037                 set: function( elem, value, extra ) {
7038                         var matches,
7039                                 styles = getStyles( elem ),
7040
7041                                 // Only read styles.position if the test has a chance to fail
7042                                 // to avoid forcing a reflow.
7043                                 scrollboxSizeBuggy = !support.scrollboxSize() &&
7044                                         styles.position === "absolute",
7045
7046                                 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
7047                                 boxSizingNeeded = scrollboxSizeBuggy || extra,
7048                                 isBorderBox = boxSizingNeeded &&
7049                                         jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7050                                 subtract = extra ?
7051                                         boxModelAdjustment(
7052                                                 elem,
7053                                                 dimension,
7054                                                 extra,
7055                                                 isBorderBox,
7056                                                 styles
7057                                         ) :
7058                                         0;
7059
7060                         // Account for unreliable border-box dimensions by comparing offset* to computed and
7061                         // faking a content-box to get border and padding (gh-3699)
7062                         if ( isBorderBox && scrollboxSizeBuggy ) {
7063                                 subtract -= Math.ceil(
7064                                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
7065                                         parseFloat( styles[ dimension ] ) -
7066                                         boxModelAdjustment( elem, dimension, "border", false, styles ) -
7067                                         0.5
7068                                 );
7069                         }
7070
7071                         // Convert to pixels if value adjustment is needed
7072                         if ( subtract && ( matches = rcssNum.exec( value ) ) &&
7073                                 ( matches[ 3 ] || "px" ) !== "px" ) {
7074
7075                                 elem.style[ dimension ] = value;
7076                                 value = jQuery.css( elem, dimension );
7077                         }
7078
7079                         return setPositiveNumber( elem, value, subtract );
7080                 }
7081         };
7082 } );
7083
7084 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
7085         function( elem, computed ) {
7086                 if ( computed ) {
7087                         return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
7088                                 elem.getBoundingClientRect().left -
7089                                         swap( elem, { marginLeft: 0 }, function() {
7090                                                 return elem.getBoundingClientRect().left;
7091                                         } )
7092                         ) + "px";
7093                 }
7094         }
7095 );
7096
7097 // These hooks are used by animate to expand properties
7098 jQuery.each( {
7099         margin: "",
7100         padding: "",
7101         border: "Width"
7102 }, function( prefix, suffix ) {
7103         jQuery.cssHooks[ prefix + suffix ] = {
7104                 expand: function( value ) {
7105                         var i = 0,
7106                                 expanded = {},
7107
7108                                 // Assumes a single number if not a string
7109                                 parts = typeof value === "string" ? value.split( " " ) : [ value ];
7110
7111                         for ( ; i < 4; i++ ) {
7112                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
7113                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7114                         }
7115
7116                         return expanded;
7117                 }
7118         };
7119
7120         if ( prefix !== "margin" ) {
7121                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7122         }
7123 } );
7124
7125 jQuery.fn.extend( {
7126         css: function( name, value ) {
7127                 return access( this, function( elem, name, value ) {
7128                         var styles, len,
7129                                 map = {},
7130                                 i = 0;
7131
7132                         if ( Array.isArray( name ) ) {
7133                                 styles = getStyles( elem );
7134                                 len = name.length;
7135
7136                                 for ( ; i < len; i++ ) {
7137                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
7138                                 }
7139
7140                                 return map;
7141                         }
7142
7143                         return value !== undefined ?
7144                                 jQuery.style( elem, name, value ) :
7145                                 jQuery.css( elem, name );
7146                 }, name, value, arguments.length > 1 );
7147         }
7148 } );
7149
7150
7151 function Tween( elem, options, prop, end, easing ) {
7152         return new Tween.prototype.init( elem, options, prop, end, easing );
7153 }
7154 jQuery.Tween = Tween;
7155
7156 Tween.prototype = {
7157         constructor: Tween,
7158         init: function( elem, options, prop, end, easing, unit ) {
7159                 this.elem = elem;
7160                 this.prop = prop;
7161                 this.easing = easing || jQuery.easing._default;
7162                 this.options = options;
7163                 this.start = this.now = this.cur();
7164                 this.end = end;
7165                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
7166         },
7167         cur: function() {
7168                 var hooks = Tween.propHooks[ this.prop ];
7169
7170                 return hooks && hooks.get ?
7171                         hooks.get( this ) :
7172                         Tween.propHooks._default.get( this );
7173         },
7174         run: function( percent ) {
7175                 var eased,
7176                         hooks = Tween.propHooks[ this.prop ];
7177
7178                 if ( this.options.duration ) {
7179                         this.pos = eased = jQuery.easing[ this.easing ](
7180                                 percent, this.options.duration * percent, 0, 1, this.options.duration
7181                         );
7182                 } else {
7183                         this.pos = eased = percent;
7184                 }
7185                 this.now = ( this.end - this.start ) * eased + this.start;
7186
7187                 if ( this.options.step ) {
7188                         this.options.step.call( this.elem, this.now, this );
7189                 }
7190
7191                 if ( hooks && hooks.set ) {
7192                         hooks.set( this );
7193                 } else {
7194                         Tween.propHooks._default.set( this );
7195                 }
7196                 return this;
7197         }
7198 };
7199
7200 Tween.prototype.init.prototype = Tween.prototype;
7201
7202 Tween.propHooks = {
7203         _default: {
7204                 get: function( tween ) {
7205                         var result;
7206
7207                         // Use a property on the element directly when it is not a DOM element,
7208                         // or when there is no matching style property that exists.
7209                         if ( tween.elem.nodeType !== 1 ||
7210                                 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
7211                                 return tween.elem[ tween.prop ];
7212                         }
7213
7214                         // Passing an empty string as a 3rd parameter to .css will automatically
7215                         // attempt a parseFloat and fallback to a string if the parse fails.
7216                         // Simple values such as "10px" are parsed to Float;
7217                         // complex values such as "rotate(1rad)" are returned as-is.
7218                         result = jQuery.css( tween.elem, tween.prop, "" );
7219
7220                         // Empty strings, null, undefined and "auto" are converted to 0.
7221                         return !result || result === "auto" ? 0 : result;
7222                 },
7223                 set: function( tween ) {
7224
7225                         // Use step hook for back compat.
7226                         // Use cssHook if its there.
7227                         // Use .style if available and use plain properties where available.
7228                         if ( jQuery.fx.step[ tween.prop ] ) {
7229                                 jQuery.fx.step[ tween.prop ]( tween );
7230                         } else if ( tween.elem.nodeType === 1 && (
7231                                 jQuery.cssHooks[ tween.prop ] ||
7232                                         tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
7233                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
7234                         } else {
7235                                 tween.elem[ tween.prop ] = tween.now;
7236                         }
7237                 }
7238         }
7239 };
7240
7241 // Support: IE <=9 only
7242 // Panic based approach to setting things on disconnected nodes
7243 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
7244         set: function( tween ) {
7245                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
7246                         tween.elem[ tween.prop ] = tween.now;
7247                 }
7248         }
7249 };
7250
7251 jQuery.easing = {
7252         linear: function( p ) {
7253                 return p;
7254         },
7255         swing: function( p ) {
7256                 return 0.5 - Math.cos( p * Math.PI ) / 2;
7257         },
7258         _default: "swing"
7259 };
7260
7261 jQuery.fx = Tween.prototype.init;
7262
7263 // Back compat <1.8 extension point
7264 jQuery.fx.step = {};
7265
7266
7267
7268
7269 var
7270         fxNow, inProgress,
7271         rfxtypes = /^(?:toggle|show|hide)$/,
7272         rrun = /queueHooks$/;
7273
7274 function schedule() {
7275         if ( inProgress ) {
7276                 if ( document.hidden === false && window.requestAnimationFrame ) {
7277                         window.requestAnimationFrame( schedule );
7278                 } else {
7279                         window.setTimeout( schedule, jQuery.fx.interval );
7280                 }
7281
7282                 jQuery.fx.tick();
7283         }
7284 }
7285
7286 // Animations created synchronously will run synchronously
7287 function createFxNow() {
7288         window.setTimeout( function() {
7289                 fxNow = undefined;
7290         } );
7291         return ( fxNow = Date.now() );
7292 }
7293
7294 // Generate parameters to create a standard animation
7295 function genFx( type, includeWidth ) {
7296         var which,
7297                 i = 0,
7298                 attrs = { height: type };
7299
7300         // If we include width, step value is 1 to do all cssExpand values,
7301         // otherwise step value is 2 to skip over Left and Right
7302         includeWidth = includeWidth ? 1 : 0;
7303         for ( ; i < 4; i += 2 - includeWidth ) {
7304                 which = cssExpand[ i ];
7305                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7306         }
7307
7308         if ( includeWidth ) {
7309                 attrs.opacity = attrs.width = type;
7310         }
7311
7312         return attrs;
7313 }
7314
7315 function createTween( value, prop, animation ) {
7316         var tween,
7317                 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7318                 index = 0,
7319                 length = collection.length;
7320         for ( ; index < length; index++ ) {
7321                 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7322
7323                         // We're done with this property
7324                         return tween;
7325                 }
7326         }
7327 }
7328
7329 function defaultPrefilter( elem, props, opts ) {
7330         var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7331                 isBox = "width" in props || "height" in props,
7332                 anim = this,
7333                 orig = {},
7334                 style = elem.style,
7335                 hidden = elem.nodeType && isHiddenWithinTree( elem ),
7336                 dataShow = dataPriv.get( elem, "fxshow" );
7337
7338         // Queue-skipping animations hijack the fx hooks
7339         if ( !opts.queue ) {
7340                 hooks = jQuery._queueHooks( elem, "fx" );
7341                 if ( hooks.unqueued == null ) {
7342                         hooks.unqueued = 0;
7343                         oldfire = hooks.empty.fire;
7344                         hooks.empty.fire = function() {
7345                                 if ( !hooks.unqueued ) {
7346                                         oldfire();
7347                                 }
7348                         };
7349                 }
7350                 hooks.unqueued++;
7351
7352                 anim.always( function() {
7353
7354                         // Ensure the complete handler is called before this completes
7355                         anim.always( function() {
7356                                 hooks.unqueued--;
7357                                 if ( !jQuery.queue( elem, "fx" ).length ) {
7358                                         hooks.empty.fire();
7359                                 }
7360                         } );
7361                 } );
7362         }
7363
7364         // Detect show/hide animations
7365         for ( prop in props ) {
7366                 value = props[ prop ];
7367                 if ( rfxtypes.test( value ) ) {
7368                         delete props[ prop ];
7369                         toggle = toggle || value === "toggle";
7370                         if ( value === ( hidden ? "hide" : "show" ) ) {
7371
7372                                 // Pretend to be hidden if this is a "show" and
7373                                 // there is still data from a stopped show/hide
7374                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7375                                         hidden = true;
7376
7377                                 // Ignore all other no-op show/hide data
7378                                 } else {
7379                                         continue;
7380                                 }
7381                         }
7382                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7383                 }
7384         }
7385
7386         // Bail out if this is a no-op like .hide().hide()
7387         propTween = !jQuery.isEmptyObject( props );
7388         if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7389                 return;
7390         }
7391
7392         // Restrict "overflow" and "display" styles during box animations
7393         if ( isBox && elem.nodeType === 1 ) {
7394
7395                 // Support: IE <=9 - 11, Edge 12 - 15
7396                 // Record all 3 overflow attributes because IE does not infer the shorthand
7397                 // from identically-valued overflowX and overflowY and Edge just mirrors
7398                 // the overflowX value there.
7399                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7400
7401                 // Identify a display type, preferring old show/hide data over the CSS cascade
7402                 restoreDisplay = dataShow && dataShow.display;
7403                 if ( restoreDisplay == null ) {
7404                         restoreDisplay = dataPriv.get( elem, "display" );
7405                 }
7406                 display = jQuery.css( elem, "display" );
7407                 if ( display === "none" ) {
7408                         if ( restoreDisplay ) {
7409                                 display = restoreDisplay;
7410                         } else {
7411
7412                                 // Get nonempty value(s) by temporarily forcing visibility
7413                                 showHide( [ elem ], true );
7414                                 restoreDisplay = elem.style.display || restoreDisplay;
7415                                 display = jQuery.css( elem, "display" );
7416                                 showHide( [ elem ] );
7417                         }
7418                 }
7419
7420                 // Animate inline elements as inline-block
7421                 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7422                         if ( jQuery.css( elem, "float" ) === "none" ) {
7423
7424                                 // Restore the original display value at the end of pure show/hide animations
7425                                 if ( !propTween ) {
7426                                         anim.done( function() {
7427                                                 style.display = restoreDisplay;
7428                                         } );
7429                                         if ( restoreDisplay == null ) {
7430                                                 display = style.display;
7431                                                 restoreDisplay = display === "none" ? "" : display;
7432                                         }
7433                                 }
7434                                 style.display = "inline-block";
7435                         }
7436                 }
7437         }
7438
7439         if ( opts.overflow ) {
7440                 style.overflow = "hidden";
7441                 anim.always( function() {
7442                         style.overflow = opts.overflow[ 0 ];
7443                         style.overflowX = opts.overflow[ 1 ];
7444                         style.overflowY = opts.overflow[ 2 ];
7445                 } );
7446         }
7447
7448         // Implement show/hide animations
7449         propTween = false;
7450         for ( prop in orig ) {
7451
7452                 // General show/hide setup for this element animation
7453                 if ( !propTween ) {
7454                         if ( dataShow ) {
7455                                 if ( "hidden" in dataShow ) {
7456                                         hidden = dataShow.hidden;
7457                                 }
7458                         } else {
7459                                 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7460                         }
7461
7462                         // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7463                         if ( toggle ) {
7464                                 dataShow.hidden = !hidden;
7465                         }
7466
7467                         // Show elements before animating them
7468                         if ( hidden ) {
7469                                 showHide( [ elem ], true );
7470                         }
7471
7472                         /* eslint-disable no-loop-func */
7473
7474                         anim.done( function() {
7475
7476                                 /* eslint-enable no-loop-func */
7477
7478                                 // The final step of a "hide" animation is actually hiding the element
7479                                 if ( !hidden ) {
7480                                         showHide( [ elem ] );
7481                                 }
7482                                 dataPriv.remove( elem, "fxshow" );
7483                                 for ( prop in orig ) {
7484                                         jQuery.style( elem, prop, orig[ prop ] );
7485                                 }
7486                         } );
7487                 }
7488
7489                 // Per-property setup
7490                 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7491                 if ( !( prop in dataShow ) ) {
7492                         dataShow[ prop ] = propTween.start;
7493                         if ( hidden ) {
7494                                 propTween.end = propTween.start;
7495                                 propTween.start = 0;
7496                         }
7497                 }
7498         }
7499 }
7500
7501 function propFilter( props, specialEasing ) {
7502         var index, name, easing, value, hooks;
7503
7504         // camelCase, specialEasing and expand cssHook pass
7505         for ( index in props ) {
7506                 name = camelCase( index );
7507                 easing = specialEasing[ name ];
7508                 value = props[ index ];
7509                 if ( Array.isArray( value ) ) {
7510                         easing = value[ 1 ];
7511                         value = props[ index ] = value[ 0 ];
7512                 }
7513
7514                 if ( index !== name ) {
7515                         props[ name ] = value;
7516                         delete props[ index ];
7517                 }
7518
7519                 hooks = jQuery.cssHooks[ name ];
7520                 if ( hooks && "expand" in hooks ) {
7521                         value = hooks.expand( value );
7522                         delete props[ name ];
7523
7524                         // Not quite $.extend, this won't overwrite existing keys.
7525                         // Reusing 'index' because we have the correct "name"
7526                         for ( index in value ) {
7527                                 if ( !( index in props ) ) {
7528                                         props[ index ] = value[ index ];
7529                                         specialEasing[ index ] = easing;
7530                                 }
7531                         }
7532                 } else {
7533                         specialEasing[ name ] = easing;
7534                 }
7535         }
7536 }
7537
7538 function Animation( elem, properties, options ) {
7539         var result,
7540                 stopped,
7541                 index = 0,
7542                 length = Animation.prefilters.length,
7543                 deferred = jQuery.Deferred().always( function() {
7544
7545                         // Don't match elem in the :animated selector
7546                         delete tick.elem;
7547                 } ),
7548                 tick = function() {
7549                         if ( stopped ) {
7550                                 return false;
7551                         }
7552                         var currentTime = fxNow || createFxNow(),
7553                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7554
7555                                 // Support: Android 2.3 only
7556                                 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7557                                 temp = remaining / animation.duration || 0,
7558                                 percent = 1 - temp,
7559                                 index = 0,
7560                                 length = animation.tweens.length;
7561
7562                         for ( ; index < length; index++ ) {
7563                                 animation.tweens[ index ].run( percent );
7564                         }
7565
7566                         deferred.notifyWith( elem, [ animation, percent, remaining ] );
7567
7568                         // If there's more to do, yield
7569                         if ( percent < 1 && length ) {
7570                                 return remaining;
7571                         }
7572
7573                         // If this was an empty animation, synthesize a final progress notification
7574                         if ( !length ) {
7575                                 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7576                         }
7577
7578                         // Resolve the animation and report its conclusion
7579                         deferred.resolveWith( elem, [ animation ] );
7580                         return false;
7581                 },
7582                 animation = deferred.promise( {
7583                         elem: elem,
7584                         props: jQuery.extend( {}, properties ),
7585                         opts: jQuery.extend( true, {
7586                                 specialEasing: {},
7587                                 easing: jQuery.easing._default
7588                         }, options ),
7589                         originalProperties: properties,
7590                         originalOptions: options,
7591                         startTime: fxNow || createFxNow(),
7592                         duration: options.duration,
7593                         tweens: [],
7594                         createTween: function( prop, end ) {
7595                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7596                                         animation.opts.specialEasing[ prop ] || animation.opts.easing );
7597                                 animation.tweens.push( tween );
7598                                 return tween;
7599                         },
7600                         stop: function( gotoEnd ) {
7601                                 var index = 0,
7602
7603                                         // If we are going to the end, we want to run all the tweens
7604                                         // otherwise we skip this part
7605                                         length = gotoEnd ? animation.tweens.length : 0;
7606                                 if ( stopped ) {
7607                                         return this;
7608                                 }
7609                                 stopped = true;
7610                                 for ( ; index < length; index++ ) {
7611                                         animation.tweens[ index ].run( 1 );
7612                                 }
7613
7614                                 // Resolve when we played the last frame; otherwise, reject
7615                                 if ( gotoEnd ) {
7616                                         deferred.notifyWith( elem, [ animation, 1, 0 ] );
7617                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7618                                 } else {
7619                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7620                                 }
7621                                 return this;
7622                         }
7623                 } ),
7624                 props = animation.props;
7625
7626         propFilter( props, animation.opts.specialEasing );
7627
7628         for ( ; index < length; index++ ) {
7629                 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7630                 if ( result ) {
7631                         if ( isFunction( result.stop ) ) {
7632                                 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7633                                         result.stop.bind( result );
7634                         }
7635                         return result;
7636                 }
7637         }
7638
7639         jQuery.map( props, createTween, animation );
7640
7641         if ( isFunction( animation.opts.start ) ) {
7642                 animation.opts.start.call( elem, animation );
7643         }
7644
7645         // Attach callbacks from options
7646         animation
7647                 .progress( animation.opts.progress )
7648                 .done( animation.opts.done, animation.opts.complete )
7649                 .fail( animation.opts.fail )
7650                 .always( animation.opts.always );
7651
7652         jQuery.fx.timer(
7653                 jQuery.extend( tick, {
7654                         elem: elem,
7655                         anim: animation,
7656                         queue: animation.opts.queue
7657                 } )
7658         );
7659
7660         return animation;
7661 }
7662
7663 jQuery.Animation = jQuery.extend( Animation, {
7664
7665         tweeners: {
7666                 "*": [ function( prop, value ) {
7667                         var tween = this.createTween( prop, value );
7668                         adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7669                         return tween;
7670                 } ]
7671         },
7672
7673         tweener: function( props, callback ) {
7674                 if ( isFunction( props ) ) {
7675                         callback = props;
7676                         props = [ "*" ];
7677                 } else {
7678                         props = props.match( rnothtmlwhite );
7679                 }
7680
7681                 var prop,
7682                         index = 0,
7683                         length = props.length;
7684
7685                 for ( ; index < length; index++ ) {
7686                         prop = props[ index ];
7687                         Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7688                         Animation.tweeners[ prop ].unshift( callback );
7689                 }
7690         },
7691
7692         prefilters: [ defaultPrefilter ],
7693
7694         prefilter: function( callback, prepend ) {
7695                 if ( prepend ) {
7696                         Animation.prefilters.unshift( callback );
7697                 } else {
7698                         Animation.prefilters.push( callback );
7699                 }
7700         }
7701 } );
7702
7703 jQuery.speed = function( speed, easing, fn ) {
7704         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7705                 complete: fn || !fn && easing ||
7706                         isFunction( speed ) && speed,
7707                 duration: speed,
7708                 easing: fn && easing || easing && !isFunction( easing ) && easing
7709         };
7710
7711         // Go to the end state if fx are off
7712         if ( jQuery.fx.off ) {
7713                 opt.duration = 0;
7714
7715         } else {
7716                 if ( typeof opt.duration !== "number" ) {
7717                         if ( opt.duration in jQuery.fx.speeds ) {
7718                                 opt.duration = jQuery.fx.speeds[ opt.duration ];
7719
7720                         } else {
7721                                 opt.duration = jQuery.fx.speeds._default;
7722                         }
7723                 }
7724         }
7725
7726         // Normalize opt.queue - true/undefined/null -> "fx"
7727         if ( opt.queue == null || opt.queue === true ) {
7728                 opt.queue = "fx";
7729         }
7730
7731         // Queueing
7732         opt.old = opt.complete;
7733
7734         opt.complete = function() {
7735                 if ( isFunction( opt.old ) ) {
7736                         opt.old.call( this );
7737                 }
7738
7739                 if ( opt.queue ) {
7740                         jQuery.dequeue( this, opt.queue );
7741                 }
7742         };
7743
7744         return opt;
7745 };
7746
7747 jQuery.fn.extend( {
7748         fadeTo: function( speed, to, easing, callback ) {
7749
7750                 // Show any hidden elements after setting opacity to 0
7751                 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7752
7753                         // Animate to the value specified
7754                         .end().animate( { opacity: to }, speed, easing, callback );
7755         },
7756         animate: function( prop, speed, easing, callback ) {
7757                 var empty = jQuery.isEmptyObject( prop ),
7758                         optall = jQuery.speed( speed, easing, callback ),
7759                         doAnimation = function() {
7760
7761                                 // Operate on a copy of prop so per-property easing won't be lost
7762                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7763
7764                                 // Empty animations, or finishing resolves immediately
7765                                 if ( empty || dataPriv.get( this, "finish" ) ) {
7766                                         anim.stop( true );
7767                                 }
7768                         };
7769
7770                 doAnimation.finish = doAnimation;
7771
7772                 return empty || optall.queue === false ?
7773                         this.each( doAnimation ) :
7774                         this.queue( optall.queue, doAnimation );
7775         },
7776         stop: function( type, clearQueue, gotoEnd ) {
7777                 var stopQueue = function( hooks ) {
7778                         var stop = hooks.stop;
7779                         delete hooks.stop;
7780                         stop( gotoEnd );
7781                 };
7782
7783                 if ( typeof type !== "string" ) {
7784                         gotoEnd = clearQueue;
7785                         clearQueue = type;
7786                         type = undefined;
7787                 }
7788                 if ( clearQueue ) {
7789                         this.queue( type || "fx", [] );
7790                 }
7791
7792                 return this.each( function() {
7793                         var dequeue = true,
7794                                 index = type != null && type + "queueHooks",
7795                                 timers = jQuery.timers,
7796                                 data = dataPriv.get( this );
7797
7798                         if ( index ) {
7799                                 if ( data[ index ] && data[ index ].stop ) {
7800                                         stopQueue( data[ index ] );
7801                                 }
7802                         } else {
7803                                 for ( index in data ) {
7804                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7805                                                 stopQueue( data[ index ] );
7806                                         }
7807                                 }
7808                         }
7809
7810                         for ( index = timers.length; index--; ) {
7811                                 if ( timers[ index ].elem === this &&
7812                                         ( type == null || timers[ index ].queue === type ) ) {
7813
7814                                         timers[ index ].anim.stop( gotoEnd );
7815                                         dequeue = false;
7816                                         timers.splice( index, 1 );
7817                                 }
7818                         }
7819
7820                         // Start the next in the queue if the last step wasn't forced.
7821                         // Timers currently will call their complete callbacks, which
7822                         // will dequeue but only if they were gotoEnd.
7823                         if ( dequeue || !gotoEnd ) {
7824                                 jQuery.dequeue( this, type );
7825                         }
7826                 } );
7827         },
7828         finish: function( type ) {
7829                 if ( type !== false ) {
7830                         type = type || "fx";
7831                 }
7832                 return this.each( function() {
7833                         var index,
7834                                 data = dataPriv.get( this ),
7835                                 queue = data[ type + "queue" ],
7836                                 hooks = data[ type + "queueHooks" ],
7837                                 timers = jQuery.timers,
7838                                 length = queue ? queue.length : 0;
7839
7840                         // Enable finishing flag on private data
7841                         data.finish = true;
7842
7843                         // Empty the queue first
7844                         jQuery.queue( this, type, [] );
7845
7846                         if ( hooks && hooks.stop ) {
7847                                 hooks.stop.call( this, true );
7848                         }
7849
7850                         // Look for any active animations, and finish them
7851                         for ( index = timers.length; index--; ) {
7852                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7853                                         timers[ index ].anim.stop( true );
7854                                         timers.splice( index, 1 );
7855                                 }
7856                         }
7857
7858                         // Look for any animations in the old queue and finish them
7859                         for ( index = 0; index < length; index++ ) {
7860                                 if ( queue[ index ] && queue[ index ].finish ) {
7861                                         queue[ index ].finish.call( this );
7862                                 }
7863                         }
7864
7865                         // Turn off finishing flag
7866                         delete data.finish;
7867                 } );
7868         }
7869 } );
7870
7871 jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) {
7872         var cssFn = jQuery.fn[ name ];
7873         jQuery.fn[ name ] = function( speed, easing, callback ) {
7874                 return speed == null || typeof speed === "boolean" ?
7875                         cssFn.apply( this, arguments ) :
7876                         this.animate( genFx( name, true ), speed, easing, callback );
7877         };
7878 } );
7879
7880 // Generate shortcuts for custom animations
7881 jQuery.each( {
7882         slideDown: genFx( "show" ),
7883         slideUp: genFx( "hide" ),
7884         slideToggle: genFx( "toggle" ),
7885         fadeIn: { opacity: "show" },
7886         fadeOut: { opacity: "hide" },
7887         fadeToggle: { opacity: "toggle" }
7888 }, function( name, props ) {
7889         jQuery.fn[ name ] = function( speed, easing, callback ) {
7890                 return this.animate( props, speed, easing, callback );
7891         };
7892 } );
7893
7894 jQuery.timers = [];
7895 jQuery.fx.tick = function() {
7896         var timer,
7897                 i = 0,
7898                 timers = jQuery.timers;
7899
7900         fxNow = Date.now();
7901
7902         for ( ; i < timers.length; i++ ) {
7903                 timer = timers[ i ];
7904
7905                 // Run the timer and safely remove it when done (allowing for external removal)
7906                 if ( !timer() && timers[ i ] === timer ) {
7907                         timers.splice( i--, 1 );
7908                 }
7909         }
7910
7911         if ( !timers.length ) {
7912                 jQuery.fx.stop();
7913         }
7914         fxNow = undefined;
7915 };
7916
7917 jQuery.fx.timer = function( timer ) {
7918         jQuery.timers.push( timer );
7919         jQuery.fx.start();
7920 };
7921
7922 jQuery.fx.interval = 13;
7923 jQuery.fx.start = function() {
7924         if ( inProgress ) {
7925                 return;
7926         }
7927
7928         inProgress = true;
7929         schedule();
7930 };
7931
7932 jQuery.fx.stop = function() {
7933         inProgress = null;
7934 };
7935
7936 jQuery.fx.speeds = {
7937         slow: 600,
7938         fast: 200,
7939
7940         // Default speed
7941         _default: 400
7942 };
7943
7944
7945 // Based off of the plugin by Clint Helfers, with permission.
7946 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7947 jQuery.fn.delay = function( time, type ) {
7948         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7949         type = type || "fx";
7950
7951         return this.queue( type, function( next, hooks ) {
7952                 var timeout = window.setTimeout( next, time );
7953                 hooks.stop = function() {
7954                         window.clearTimeout( timeout );
7955                 };
7956         } );
7957 };
7958
7959
7960 ( function() {
7961         var input = document.createElement( "input" ),
7962                 select = document.createElement( "select" ),
7963                 opt = select.appendChild( document.createElement( "option" ) );
7964
7965         input.type = "checkbox";
7966
7967         // Support: Android <=4.3 only
7968         // Default value for a checkbox should be "on"
7969         support.checkOn = input.value !== "";
7970
7971         // Support: IE <=11 only
7972         // Must access selectedIndex to make default options select
7973         support.optSelected = opt.selected;
7974
7975         // Support: IE <=11 only
7976         // An input loses its value after becoming a radio
7977         input = document.createElement( "input" );
7978         input.value = "t";
7979         input.type = "radio";
7980         support.radioValue = input.value === "t";
7981 } )();
7982
7983
7984 var boolHook,
7985         attrHandle = jQuery.expr.attrHandle;
7986
7987 jQuery.fn.extend( {
7988         attr: function( name, value ) {
7989                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7990         },
7991
7992         removeAttr: function( name ) {
7993                 return this.each( function() {
7994                         jQuery.removeAttr( this, name );
7995                 } );
7996         }
7997 } );
7998
7999 jQuery.extend( {
8000         attr: function( elem, name, value ) {
8001                 var ret, hooks,
8002                         nType = elem.nodeType;
8003
8004                 // Don't get/set attributes on text, comment and attribute nodes
8005                 if ( nType === 3 || nType === 8 || nType === 2 ) {
8006                         return;
8007                 }
8008
8009                 // Fallback to prop when attributes are not supported
8010                 if ( typeof elem.getAttribute === "undefined" ) {
8011                         return jQuery.prop( elem, name, value );
8012                 }
8013
8014                 // Attribute hooks are determined by the lowercase version
8015                 // Grab necessary hook if one is defined
8016                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8017                         hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
8018                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
8019                 }
8020
8021                 if ( value !== undefined ) {
8022                         if ( value === null ) {
8023                                 jQuery.removeAttr( elem, name );
8024                                 return;
8025                         }
8026
8027                         if ( hooks && "set" in hooks &&
8028                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8029                                 return ret;
8030                         }
8031
8032                         elem.setAttribute( name, value + "" );
8033                         return value;
8034                 }
8035
8036                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8037                         return ret;
8038                 }
8039
8040                 ret = jQuery.find.attr( elem, name );
8041
8042                 // Non-existent attributes return null, we normalize to undefined
8043                 return ret == null ? undefined : ret;
8044         },
8045
8046         attrHooks: {
8047                 type: {
8048                         set: function( elem, value ) {
8049                                 if ( !support.radioValue && value === "radio" &&
8050                                         nodeName( elem, "input" ) ) {
8051                                         var val = elem.value;
8052                                         elem.setAttribute( "type", value );
8053                                         if ( val ) {
8054                                                 elem.value = val;
8055                                         }
8056                                         return value;
8057                                 }
8058                         }
8059                 }
8060         },
8061
8062         removeAttr: function( elem, value ) {
8063                 var name,
8064                         i = 0,
8065
8066                         // Attribute names can contain non-HTML whitespace characters
8067                         // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
8068                         attrNames = value && value.match( rnothtmlwhite );
8069
8070                 if ( attrNames && elem.nodeType === 1 ) {
8071                         while ( ( name = attrNames[ i++ ] ) ) {
8072                                 elem.removeAttribute( name );
8073                         }
8074                 }
8075         }
8076 } );
8077
8078 // Hooks for boolean attributes
8079 boolHook = {
8080         set: function( elem, value, name ) {
8081                 if ( value === false ) {
8082
8083                         // Remove boolean attributes when set to false
8084                         jQuery.removeAttr( elem, name );
8085                 } else {
8086                         elem.setAttribute( name, name );
8087                 }
8088                 return name;
8089         }
8090 };
8091
8092 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
8093         var getter = attrHandle[ name ] || jQuery.find.attr;
8094
8095         attrHandle[ name ] = function( elem, name, isXML ) {
8096                 var ret, handle,
8097                         lowercaseName = name.toLowerCase();
8098
8099                 if ( !isXML ) {
8100
8101                         // Avoid an infinite loop by temporarily removing this function from the getter
8102                         handle = attrHandle[ lowercaseName ];
8103                         attrHandle[ lowercaseName ] = ret;
8104                         ret = getter( elem, name, isXML ) != null ?
8105                                 lowercaseName :
8106                                 null;
8107                         attrHandle[ lowercaseName ] = handle;
8108                 }
8109                 return ret;
8110         };
8111 } );
8112
8113
8114
8115
8116 var rfocusable = /^(?:input|select|textarea|button)$/i,
8117         rclickable = /^(?:a|area)$/i;
8118
8119 jQuery.fn.extend( {
8120         prop: function( name, value ) {
8121                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
8122         },
8123
8124         removeProp: function( name ) {
8125                 return this.each( function() {
8126                         delete this[ jQuery.propFix[ name ] || name ];
8127                 } );
8128         }
8129 } );
8130
8131 jQuery.extend( {
8132         prop: function( elem, name, value ) {
8133                 var ret, hooks,
8134                         nType = elem.nodeType;
8135
8136                 // Don't get/set properties on text, comment and attribute nodes
8137                 if ( nType === 3 || nType === 8 || nType === 2 ) {
8138                         return;
8139                 }
8140
8141                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8142
8143                         // Fix name and attach hooks
8144                         name = jQuery.propFix[ name ] || name;
8145                         hooks = jQuery.propHooks[ name ];
8146                 }
8147
8148                 if ( value !== undefined ) {
8149                         if ( hooks && "set" in hooks &&
8150                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8151                                 return ret;
8152                         }
8153
8154                         return ( elem[ name ] = value );
8155                 }
8156
8157                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8158                         return ret;
8159                 }
8160
8161                 return elem[ name ];
8162         },
8163
8164         propHooks: {
8165                 tabIndex: {
8166                         get: function( elem ) {
8167
8168                                 // Support: IE <=9 - 11 only
8169                                 // elem.tabIndex doesn't always return the
8170                                 // correct value when it hasn't been explicitly set
8171                                 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8172                                 // Use proper attribute retrieval(#12072)
8173                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
8174
8175                                 if ( tabindex ) {
8176                                         return parseInt( tabindex, 10 );
8177                                 }
8178
8179                                 if (
8180                                         rfocusable.test( elem.nodeName ) ||
8181                                         rclickable.test( elem.nodeName ) &&
8182                                         elem.href
8183                                 ) {
8184                                         return 0;
8185                                 }
8186
8187                                 return -1;
8188                         }
8189                 }
8190         },
8191
8192         propFix: {
8193                 "for": "htmlFor",
8194                 "class": "className"
8195         }
8196 } );
8197
8198 // Support: IE <=11 only
8199 // Accessing the selectedIndex property
8200 // forces the browser to respect setting selected
8201 // on the option
8202 // The getter ensures a default option is selected
8203 // when in an optgroup
8204 // eslint rule "no-unused-expressions" is disabled for this code
8205 // since it considers such accessions noop
8206 if ( !support.optSelected ) {
8207         jQuery.propHooks.selected = {
8208                 get: function( elem ) {
8209
8210                         /* eslint no-unused-expressions: "off" */
8211
8212                         var parent = elem.parentNode;
8213                         if ( parent && parent.parentNode ) {
8214                                 parent.parentNode.selectedIndex;
8215                         }
8216                         return null;
8217                 },
8218                 set: function( elem ) {
8219
8220                         /* eslint no-unused-expressions: "off" */
8221
8222                         var parent = elem.parentNode;
8223                         if ( parent ) {
8224                                 parent.selectedIndex;
8225
8226                                 if ( parent.parentNode ) {
8227                                         parent.parentNode.selectedIndex;
8228                                 }
8229                         }
8230                 }
8231         };
8232 }
8233
8234 jQuery.each( [
8235         "tabIndex",
8236         "readOnly",
8237         "maxLength",
8238         "cellSpacing",
8239         "cellPadding",
8240         "rowSpan",
8241         "colSpan",
8242         "useMap",
8243         "frameBorder",
8244         "contentEditable"
8245 ], function() {
8246         jQuery.propFix[ this.toLowerCase() ] = this;
8247 } );
8248
8249
8250
8251
8252         // Strip and collapse whitespace according to HTML spec
8253         // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8254         function stripAndCollapse( value ) {
8255                 var tokens = value.match( rnothtmlwhite ) || [];
8256                 return tokens.join( " " );
8257         }
8258
8259
8260 function getClass( elem ) {
8261         return elem.getAttribute && elem.getAttribute( "class" ) || "";
8262 }
8263
8264 function classesToArray( value ) {
8265         if ( Array.isArray( value ) ) {
8266                 return value;
8267         }
8268         if ( typeof value === "string" ) {
8269                 return value.match( rnothtmlwhite ) || [];
8270         }
8271         return [];
8272 }
8273
8274 jQuery.fn.extend( {
8275         addClass: function( value ) {
8276                 var classes, elem, cur, curValue, clazz, j, finalValue,
8277                         i = 0;
8278
8279                 if ( isFunction( value ) ) {
8280                         return this.each( function( j ) {
8281                                 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8282                         } );
8283                 }
8284
8285                 classes = classesToArray( value );
8286
8287                 if ( classes.length ) {
8288                         while ( ( elem = this[ i++ ] ) ) {
8289                                 curValue = getClass( elem );
8290                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8291
8292                                 if ( cur ) {
8293                                         j = 0;
8294                                         while ( ( clazz = classes[ j++ ] ) ) {
8295                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8296                                                         cur += clazz + " ";
8297                                                 }
8298                                         }
8299
8300                                         // Only assign if different to avoid unneeded rendering.
8301                                         finalValue = stripAndCollapse( cur );
8302                                         if ( curValue !== finalValue ) {
8303                                                 elem.setAttribute( "class", finalValue );
8304                                         }
8305                                 }
8306                         }
8307                 }
8308
8309                 return this;
8310         },
8311
8312         removeClass: function( value ) {
8313                 var classes, elem, cur, curValue, clazz, j, finalValue,
8314                         i = 0;
8315
8316                 if ( isFunction( value ) ) {
8317                         return this.each( function( j ) {
8318                                 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8319                         } );
8320                 }
8321
8322                 if ( !arguments.length ) {
8323                         return this.attr( "class", "" );
8324                 }
8325
8326                 classes = classesToArray( value );
8327
8328                 if ( classes.length ) {
8329                         while ( ( elem = this[ i++ ] ) ) {
8330                                 curValue = getClass( elem );
8331
8332                                 // This expression is here for better compressibility (see addClass)
8333                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8334
8335                                 if ( cur ) {
8336                                         j = 0;
8337                                         while ( ( clazz = classes[ j++ ] ) ) {
8338
8339                                                 // Remove *all* instances
8340                                                 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8341                                                         cur = cur.replace( " " + clazz + " ", " " );
8342                                                 }
8343                                         }
8344
8345                                         // Only assign if different to avoid unneeded rendering.
8346                                         finalValue = stripAndCollapse( cur );
8347                                         if ( curValue !== finalValue ) {
8348                                                 elem.setAttribute( "class", finalValue );
8349                                         }
8350                                 }
8351                         }
8352                 }
8353
8354                 return this;
8355         },
8356
8357         toggleClass: function( value, stateVal ) {
8358                 var type = typeof value,
8359                         isValidValue = type === "string" || Array.isArray( value );
8360
8361                 if ( typeof stateVal === "boolean" && isValidValue ) {
8362                         return stateVal ? this.addClass( value ) : this.removeClass( value );
8363                 }
8364
8365                 if ( isFunction( value ) ) {
8366                         return this.each( function( i ) {
8367                                 jQuery( this ).toggleClass(
8368                                         value.call( this, i, getClass( this ), stateVal ),
8369                                         stateVal
8370                                 );
8371                         } );
8372                 }
8373
8374                 return this.each( function() {
8375                         var className, i, self, classNames;
8376
8377                         if ( isValidValue ) {
8378
8379                                 // Toggle individual class names
8380                                 i = 0;
8381                                 self = jQuery( this );
8382                                 classNames = classesToArray( value );
8383
8384                                 while ( ( className = classNames[ i++ ] ) ) {
8385
8386                                         // Check each className given, space separated list
8387                                         if ( self.hasClass( className ) ) {
8388                                                 self.removeClass( className );
8389                                         } else {
8390                                                 self.addClass( className );
8391                                         }
8392                                 }
8393
8394                         // Toggle whole class name
8395                         } else if ( value === undefined || type === "boolean" ) {
8396                                 className = getClass( this );
8397                                 if ( className ) {
8398
8399                                         // Store className if set
8400                                         dataPriv.set( this, "__className__", className );
8401                                 }
8402
8403                                 // If the element has a class name or if we're passed `false`,
8404                                 // then remove the whole classname (if there was one, the above saved it).
8405                                 // Otherwise bring back whatever was previously saved (if anything),
8406                                 // falling back to the empty string if nothing was stored.
8407                                 if ( this.setAttribute ) {
8408                                         this.setAttribute( "class",
8409                                                 className || value === false ?
8410                                                         "" :
8411                                                         dataPriv.get( this, "__className__" ) || ""
8412                                         );
8413                                 }
8414                         }
8415                 } );
8416         },
8417
8418         hasClass: function( selector ) {
8419                 var className, elem,
8420                         i = 0;
8421
8422                 className = " " + selector + " ";
8423                 while ( ( elem = this[ i++ ] ) ) {
8424                         if ( elem.nodeType === 1 &&
8425                                 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8426                                 return true;
8427                         }
8428                 }
8429
8430                 return false;
8431         }
8432 } );
8433
8434
8435
8436
8437 var rreturn = /\r/g;
8438
8439 jQuery.fn.extend( {
8440         val: function( value ) {
8441                 var hooks, ret, valueIsFunction,
8442                         elem = this[ 0 ];
8443
8444                 if ( !arguments.length ) {
8445                         if ( elem ) {
8446                                 hooks = jQuery.valHooks[ elem.type ] ||
8447                                         jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8448
8449                                 if ( hooks &&
8450                                         "get" in hooks &&
8451                                         ( ret = hooks.get( elem, "value" ) ) !== undefined
8452                                 ) {
8453                                         return ret;
8454                                 }
8455
8456                                 ret = elem.value;
8457
8458                                 // Handle most common string cases
8459                                 if ( typeof ret === "string" ) {
8460                                         return ret.replace( rreturn, "" );
8461                                 }
8462
8463                                 // Handle cases where value is null/undef or number
8464                                 return ret == null ? "" : ret;
8465                         }
8466
8467                         return;
8468                 }
8469
8470                 valueIsFunction = isFunction( value );
8471
8472                 return this.each( function( i ) {
8473                         var val;
8474
8475                         if ( this.nodeType !== 1 ) {
8476                                 return;
8477                         }
8478
8479                         if ( valueIsFunction ) {
8480                                 val = value.call( this, i, jQuery( this ).val() );
8481                         } else {
8482                                 val = value;
8483                         }
8484
8485                         // Treat null/undefined as ""; convert numbers to string
8486                         if ( val == null ) {
8487                                 val = "";
8488
8489                         } else if ( typeof val === "number" ) {
8490                                 val += "";
8491
8492                         } else if ( Array.isArray( val ) ) {
8493                                 val = jQuery.map( val, function( value ) {
8494                                         return value == null ? "" : value + "";
8495                                 } );
8496                         }
8497
8498                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8499
8500                         // If set returns undefined, fall back to normal setting
8501                         if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8502                                 this.value = val;
8503                         }
8504                 } );
8505         }
8506 } );
8507
8508 jQuery.extend( {
8509         valHooks: {
8510                 option: {
8511                         get: function( elem ) {
8512
8513                                 var val = jQuery.find.attr( elem, "value" );
8514                                 return val != null ?
8515                                         val :
8516
8517                                         // Support: IE <=10 - 11 only
8518                                         // option.text throws exceptions (#14686, #14858)
8519                                         // Strip and collapse whitespace
8520                                         // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8521                                         stripAndCollapse( jQuery.text( elem ) );
8522                         }
8523                 },
8524                 select: {
8525                         get: function( elem ) {
8526                                 var value, option, i,
8527                                         options = elem.options,
8528                                         index = elem.selectedIndex,
8529                                         one = elem.type === "select-one",
8530                                         values = one ? null : [],
8531                                         max = one ? index + 1 : options.length;
8532
8533                                 if ( index < 0 ) {
8534                                         i = max;
8535
8536                                 } else {
8537                                         i = one ? index : 0;
8538                                 }
8539
8540                                 // Loop through all the selected options
8541                                 for ( ; i < max; i++ ) {
8542                                         option = options[ i ];
8543
8544                                         // Support: IE <=9 only
8545                                         // IE8-9 doesn't update selected after form reset (#2551)
8546                                         if ( ( option.selected || i === index ) &&
8547
8548                                                         // Don't return options that are disabled or in a disabled optgroup
8549                                                         !option.disabled &&
8550                                                         ( !option.parentNode.disabled ||
8551                                                                 !nodeName( option.parentNode, "optgroup" ) ) ) {
8552
8553                                                 // Get the specific value for the option
8554                                                 value = jQuery( option ).val();
8555
8556                                                 // We don't need an array for one selects
8557                                                 if ( one ) {
8558                                                         return value;
8559                                                 }
8560
8561                                                 // Multi-Selects return an array
8562                                                 values.push( value );
8563                                         }
8564                                 }
8565
8566                                 return values;
8567                         },
8568
8569                         set: function( elem, value ) {
8570                                 var optionSet, option,
8571                                         options = elem.options,
8572                                         values = jQuery.makeArray( value ),
8573                                         i = options.length;
8574
8575                                 while ( i-- ) {
8576                                         option = options[ i ];
8577
8578                                         /* eslint-disable no-cond-assign */
8579
8580                                         if ( option.selected =
8581                                                 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8582                                         ) {
8583                                                 optionSet = true;
8584                                         }
8585
8586                                         /* eslint-enable no-cond-assign */
8587                                 }
8588
8589                                 // Force browsers to behave consistently when non-matching value is set
8590                                 if ( !optionSet ) {
8591                                         elem.selectedIndex = -1;
8592                                 }
8593                                 return values;
8594                         }
8595                 }
8596         }
8597 } );
8598
8599 // Radios and checkboxes getter/setter
8600 jQuery.each( [ "radio", "checkbox" ], function() {
8601         jQuery.valHooks[ this ] = {
8602                 set: function( elem, value ) {
8603                         if ( Array.isArray( value ) ) {
8604                                 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8605                         }
8606                 }
8607         };
8608         if ( !support.checkOn ) {
8609                 jQuery.valHooks[ this ].get = function( elem ) {
8610                         return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8611                 };
8612         }
8613 } );
8614
8615
8616
8617
8618 // Return jQuery for attributes-only inclusion
8619
8620
8621 support.focusin = "onfocusin" in window;
8622
8623
8624 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8625         stopPropagationCallback = function( e ) {
8626                 e.stopPropagation();
8627         };
8628
8629 jQuery.extend( jQuery.event, {
8630
8631         trigger: function( event, data, elem, onlyHandlers ) {
8632
8633                 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8634                         eventPath = [ elem || document ],
8635                         type = hasOwn.call( event, "type" ) ? event.type : event,
8636                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8637
8638                 cur = lastElement = tmp = elem = elem || document;
8639
8640                 // Don't do events on text and comment nodes
8641                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8642                         return;
8643                 }
8644
8645                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8646                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8647                         return;
8648                 }
8649
8650                 if ( type.indexOf( "." ) > -1 ) {
8651
8652                         // Namespaced trigger; create a regexp to match event type in handle()
8653                         namespaces = type.split( "." );
8654                         type = namespaces.shift();
8655                         namespaces.sort();
8656                 }
8657                 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8658
8659                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8660                 event = event[ jQuery.expando ] ?
8661                         event :
8662                         new jQuery.Event( type, typeof event === "object" && event );
8663
8664                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8665                 event.isTrigger = onlyHandlers ? 2 : 3;
8666                 event.namespace = namespaces.join( "." );
8667                 event.rnamespace = event.namespace ?
8668                         new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8669                         null;
8670
8671                 // Clean up the event in case it is being reused
8672                 event.result = undefined;
8673                 if ( !event.target ) {
8674                         event.target = elem;
8675                 }
8676
8677                 // Clone any incoming data and prepend the event, creating the handler arg list
8678                 data = data == null ?
8679                         [ event ] :
8680                         jQuery.makeArray( data, [ event ] );
8681
8682                 // Allow special events to draw outside the lines
8683                 special = jQuery.event.special[ type ] || {};
8684                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8685                         return;
8686                 }
8687
8688                 // Determine event propagation path in advance, per W3C events spec (#9951)
8689                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8690                 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8691
8692                         bubbleType = special.delegateType || type;
8693                         if ( !rfocusMorph.test( bubbleType + type ) ) {
8694                                 cur = cur.parentNode;
8695                         }
8696                         for ( ; cur; cur = cur.parentNode ) {
8697                                 eventPath.push( cur );
8698                                 tmp = cur;
8699                         }
8700
8701                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
8702                         if ( tmp === ( elem.ownerDocument || document ) ) {
8703                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8704                         }
8705                 }
8706
8707                 // Fire handlers on the event path
8708                 i = 0;
8709                 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8710                         lastElement = cur;
8711                         event.type = i > 1 ?
8712                                 bubbleType :
8713                                 special.bindType || type;
8714
8715                         // jQuery handler
8716                         handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] &&
8717                                 dataPriv.get( cur, "handle" );
8718                         if ( handle ) {
8719                                 handle.apply( cur, data );
8720                         }
8721
8722                         // Native handler
8723                         handle = ontype && cur[ ontype ];
8724                         if ( handle && handle.apply && acceptData( cur ) ) {
8725                                 event.result = handle.apply( cur, data );
8726                                 if ( event.result === false ) {
8727                                         event.preventDefault();
8728                                 }
8729                         }
8730                 }
8731                 event.type = type;
8732
8733                 // If nobody prevented the default action, do it now
8734                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8735
8736                         if ( ( !special._default ||
8737                                 special._default.apply( eventPath.pop(), data ) === false ) &&
8738                                 acceptData( elem ) ) {
8739
8740                                 // Call a native DOM method on the target with the same name as the event.
8741                                 // Don't do default actions on window, that's where global variables be (#6170)
8742                                 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8743
8744                                         // Don't re-trigger an onFOO event when we call its FOO() method
8745                                         tmp = elem[ ontype ];
8746
8747                                         if ( tmp ) {
8748                                                 elem[ ontype ] = null;
8749                                         }
8750
8751                                         // Prevent re-triggering of the same event, since we already bubbled it above
8752                                         jQuery.event.triggered = type;
8753
8754                                         if ( event.isPropagationStopped() ) {
8755                                                 lastElement.addEventListener( type, stopPropagationCallback );
8756                                         }
8757
8758                                         elem[ type ]();
8759
8760                                         if ( event.isPropagationStopped() ) {
8761                                                 lastElement.removeEventListener( type, stopPropagationCallback );
8762                                         }
8763
8764                                         jQuery.event.triggered = undefined;
8765
8766                                         if ( tmp ) {
8767                                                 elem[ ontype ] = tmp;
8768                                         }
8769                                 }
8770                         }
8771                 }
8772
8773                 return event.result;
8774         },
8775
8776         // Piggyback on a donor event to simulate a different one
8777         // Used only for `focus(in | out)` events
8778         simulate: function( type, elem, event ) {
8779                 var e = jQuery.extend(
8780                         new jQuery.Event(),
8781                         event,
8782                         {
8783                                 type: type,
8784                                 isSimulated: true
8785                         }
8786                 );
8787
8788                 jQuery.event.trigger( e, null, elem );
8789         }
8790
8791 } );
8792
8793 jQuery.fn.extend( {
8794
8795         trigger: function( type, data ) {
8796                 return this.each( function() {
8797                         jQuery.event.trigger( type, data, this );
8798                 } );
8799         },
8800         triggerHandler: function( type, data ) {
8801                 var elem = this[ 0 ];
8802                 if ( elem ) {
8803                         return jQuery.event.trigger( type, data, elem, true );
8804                 }
8805         }
8806 } );
8807
8808
8809 // Support: Firefox <=44
8810 // Firefox doesn't have focus(in | out) events
8811 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8812 //
8813 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8814 // focus(in | out) events fire after focus & blur events,
8815 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8816 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8817 if ( !support.focusin ) {
8818         jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8819
8820                 // Attach a single capturing handler on the document while someone wants focusin/focusout
8821                 var handler = function( event ) {
8822                         jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8823                 };
8824
8825                 jQuery.event.special[ fix ] = {
8826                         setup: function() {
8827
8828                                 // Handle: regular nodes (via `this.ownerDocument`), window
8829                                 // (via `this.document`) & document (via `this`).
8830                                 var doc = this.ownerDocument || this.document || this,
8831                                         attaches = dataPriv.access( doc, fix );
8832
8833                                 if ( !attaches ) {
8834                                         doc.addEventListener( orig, handler, true );
8835                                 }
8836                                 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8837                         },
8838                         teardown: function() {
8839                                 var doc = this.ownerDocument || this.document || this,
8840                                         attaches = dataPriv.access( doc, fix ) - 1;
8841
8842                                 if ( !attaches ) {
8843                                         doc.removeEventListener( orig, handler, true );
8844                                         dataPriv.remove( doc, fix );
8845
8846                                 } else {
8847                                         dataPriv.access( doc, fix, attaches );
8848                                 }
8849                         }
8850                 };
8851         } );
8852 }
8853 var location = window.location;
8854
8855 var nonce = { guid: Date.now() };
8856
8857 var rquery = ( /\?/ );
8858
8859
8860
8861 // Cross-browser xml parsing
8862 jQuery.parseXML = function( data ) {
8863         var xml, parserErrorElem;
8864         if ( !data || typeof data !== "string" ) {
8865                 return null;
8866         }
8867
8868         // Support: IE 9 - 11 only
8869         // IE throws on parseFromString with invalid input.
8870         try {
8871                 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8872         } catch ( e ) {}
8873
8874         parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ];
8875         if ( !xml || parserErrorElem ) {
8876                 jQuery.error( "Invalid XML: " + (
8877                         parserErrorElem ?
8878                                 jQuery.map( parserErrorElem.childNodes, function( el ) {
8879                                         return el.textContent;
8880                                 } ).join( "\n" ) :
8881                                 data
8882                 ) );
8883         }
8884         return xml;
8885 };
8886
8887
8888 var
8889         rbracket = /\[\]$/,
8890         rCRLF = /\r?\n/g,
8891         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8892         rsubmittable = /^(?:input|select|textarea|keygen)/i;
8893
8894 function buildParams( prefix, obj, traditional, add ) {
8895         var name;
8896
8897         if ( Array.isArray( obj ) ) {
8898
8899                 // Serialize array item.
8900                 jQuery.each( obj, function( i, v ) {
8901                         if ( traditional || rbracket.test( prefix ) ) {
8902
8903                                 // Treat each array item as a scalar.
8904                                 add( prefix, v );
8905
8906                         } else {
8907
8908                                 // Item is non-scalar (array or object), encode its numeric index.
8909                                 buildParams(
8910                                         prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8911                                         v,
8912                                         traditional,
8913                                         add
8914                                 );
8915                         }
8916                 } );
8917
8918         } else if ( !traditional && toType( obj ) === "object" ) {
8919
8920                 // Serialize object item.
8921                 for ( name in obj ) {
8922                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8923                 }
8924
8925         } else {
8926
8927                 // Serialize scalar item.
8928                 add( prefix, obj );
8929         }
8930 }
8931
8932 // Serialize an array of form elements or a set of
8933 // key/values into a query string
8934 jQuery.param = function( a, traditional ) {
8935         var prefix,
8936                 s = [],
8937                 add = function( key, valueOrFunction ) {
8938
8939                         // If value is a function, invoke it and use its return value
8940                         var value = isFunction( valueOrFunction ) ?
8941                                 valueOrFunction() :
8942                                 valueOrFunction;
8943
8944                         s[ s.length ] = encodeURIComponent( key ) + "=" +
8945                                 encodeURIComponent( value == null ? "" : value );
8946                 };
8947
8948         if ( a == null ) {
8949                 return "";
8950         }
8951
8952         // If an array was passed in, assume that it is an array of form elements.
8953         if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8954
8955                 // Serialize the form elements
8956                 jQuery.each( a, function() {
8957                         add( this.name, this.value );
8958                 } );
8959
8960         } else {
8961
8962                 // If traditional, encode the "old" way (the way 1.3.2 or older
8963                 // did it), otherwise encode params recursively.
8964                 for ( prefix in a ) {
8965                         buildParams( prefix, a[ prefix ], traditional, add );
8966                 }
8967         }
8968
8969         // Return the resulting serialization
8970         return s.join( "&" );
8971 };
8972
8973 jQuery.fn.extend( {
8974         serialize: function() {
8975                 return jQuery.param( this.serializeArray() );
8976         },
8977         serializeArray: function() {
8978                 return this.map( function() {
8979
8980                         // Can add propHook for "elements" to filter or add form elements
8981                         var elements = jQuery.prop( this, "elements" );
8982                         return elements ? jQuery.makeArray( elements ) : this;
8983                 } ).filter( function() {
8984                         var type = this.type;
8985
8986                         // Use .is( ":disabled" ) so that fieldset[disabled] works
8987                         return this.name && !jQuery( this ).is( ":disabled" ) &&
8988                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8989                                 ( this.checked || !rcheckableType.test( type ) );
8990                 } ).map( function( _i, elem ) {
8991                         var val = jQuery( this ).val();
8992
8993                         if ( val == null ) {
8994                                 return null;
8995                         }
8996
8997                         if ( Array.isArray( val ) ) {
8998                                 return jQuery.map( val, function( val ) {
8999                                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9000                                 } );
9001                         }
9002
9003                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9004                 } ).get();
9005         }
9006 } );
9007
9008
9009 var
9010         r20 = /%20/g,
9011         rhash = /#.*$/,
9012         rantiCache = /([?&])_=[^&]*/,
9013         rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
9014
9015         // #7653, #8125, #8152: local protocol detection
9016         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
9017         rnoContent = /^(?:GET|HEAD)$/,
9018         rprotocol = /^\/\//,
9019
9020         /* Prefilters
9021          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
9022          * 2) These are called:
9023          *    - BEFORE asking for a transport
9024          *    - AFTER param serialization (s.data is a string if s.processData is true)
9025          * 3) key is the dataType
9026          * 4) the catchall symbol "*" can be used
9027          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
9028          */
9029         prefilters = {},
9030
9031         /* Transports bindings
9032          * 1) key is the dataType
9033          * 2) the catchall symbol "*" can be used
9034          * 3) selection will start with transport dataType and THEN go to "*" if needed
9035          */
9036         transports = {},
9037
9038         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
9039         allTypes = "*/".concat( "*" ),
9040
9041         // Anchor tag for parsing the document origin
9042         originAnchor = document.createElement( "a" );
9043
9044 originAnchor.href = location.href;
9045
9046 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
9047 function addToPrefiltersOrTransports( structure ) {
9048
9049         // dataTypeExpression is optional and defaults to "*"
9050         return function( dataTypeExpression, func ) {
9051
9052                 if ( typeof dataTypeExpression !== "string" ) {
9053                         func = dataTypeExpression;
9054                         dataTypeExpression = "*";
9055                 }
9056
9057                 var dataType,
9058                         i = 0,
9059                         dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
9060
9061                 if ( isFunction( func ) ) {
9062
9063                         // For each dataType in the dataTypeExpression
9064                         while ( ( dataType = dataTypes[ i++ ] ) ) {
9065
9066                                 // Prepend if requested
9067                                 if ( dataType[ 0 ] === "+" ) {
9068                                         dataType = dataType.slice( 1 ) || "*";
9069                                         ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
9070
9071                                 // Otherwise append
9072                                 } else {
9073                                         ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
9074                                 }
9075                         }
9076                 }
9077         };
9078 }
9079
9080 // Base inspection function for prefilters and transports
9081 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
9082
9083         var inspected = {},
9084                 seekingTransport = ( structure === transports );
9085
9086         function inspect( dataType ) {
9087                 var selected;
9088                 inspected[ dataType ] = true;
9089                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
9090                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
9091                         if ( typeof dataTypeOrTransport === "string" &&
9092                                 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
9093
9094                                 options.dataTypes.unshift( dataTypeOrTransport );
9095                                 inspect( dataTypeOrTransport );
9096                                 return false;
9097                         } else if ( seekingTransport ) {
9098                                 return !( selected = dataTypeOrTransport );
9099                         }
9100                 } );
9101                 return selected;
9102         }
9103
9104         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
9105 }
9106
9107 // A special extend for ajax options
9108 // that takes "flat" options (not to be deep extended)
9109 // Fixes #9887
9110 function ajaxExtend( target, src ) {
9111         var key, deep,
9112                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
9113
9114         for ( key in src ) {
9115                 if ( src[ key ] !== undefined ) {
9116                         ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
9117                 }
9118         }
9119         if ( deep ) {
9120                 jQuery.extend( true, target, deep );
9121         }
9122
9123         return target;
9124 }
9125
9126 /* Handles responses to an ajax request:
9127  * - finds the right dataType (mediates between content-type and expected dataType)
9128  * - returns the corresponding response
9129  */
9130 function ajaxHandleResponses( s, jqXHR, responses ) {
9131
9132         var ct, type, finalDataType, firstDataType,
9133                 contents = s.contents,
9134                 dataTypes = s.dataTypes;
9135
9136         // Remove auto dataType and get content-type in the process
9137         while ( dataTypes[ 0 ] === "*" ) {
9138                 dataTypes.shift();
9139                 if ( ct === undefined ) {
9140                         ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
9141                 }
9142         }
9143
9144         // Check if we're dealing with a known content-type
9145         if ( ct ) {
9146                 for ( type in contents ) {
9147                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
9148                                 dataTypes.unshift( type );
9149                                 break;
9150                         }
9151                 }
9152         }
9153
9154         // Check to see if we have a response for the expected dataType
9155         if ( dataTypes[ 0 ] in responses ) {
9156                 finalDataType = dataTypes[ 0 ];
9157         } else {
9158
9159                 // Try convertible dataTypes
9160                 for ( type in responses ) {
9161                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
9162                                 finalDataType = type;
9163                                 break;
9164                         }
9165                         if ( !firstDataType ) {
9166                                 firstDataType = type;
9167                         }
9168                 }
9169
9170                 // Or just use first one
9171                 finalDataType = finalDataType || firstDataType;
9172         }
9173
9174         // If we found a dataType
9175         // We add the dataType to the list if needed
9176         // and return the corresponding response
9177         if ( finalDataType ) {
9178                 if ( finalDataType !== dataTypes[ 0 ] ) {
9179                         dataTypes.unshift( finalDataType );
9180                 }
9181                 return responses[ finalDataType ];
9182         }
9183 }
9184
9185 /* Chain conversions given the request and the original response
9186  * Also sets the responseXXX fields on the jqXHR instance
9187  */
9188 function ajaxConvert( s, response, jqXHR, isSuccess ) {
9189         var conv2, current, conv, tmp, prev,
9190                 converters = {},
9191
9192                 // Work with a copy of dataTypes in case we need to modify it for conversion
9193                 dataTypes = s.dataTypes.slice();
9194
9195         // Create converters map with lowercased keys
9196         if ( dataTypes[ 1 ] ) {
9197                 for ( conv in s.converters ) {
9198                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
9199                 }
9200         }
9201
9202         current = dataTypes.shift();
9203
9204         // Convert to each sequential dataType
9205         while ( current ) {
9206
9207                 if ( s.responseFields[ current ] ) {
9208                         jqXHR[ s.responseFields[ current ] ] = response;
9209                 }
9210
9211                 // Apply the dataFilter if provided
9212                 if ( !prev && isSuccess && s.dataFilter ) {
9213                         response = s.dataFilter( response, s.dataType );
9214                 }
9215
9216                 prev = current;
9217                 current = dataTypes.shift();
9218
9219                 if ( current ) {
9220
9221                         // There's only work to do if current dataType is non-auto
9222                         if ( current === "*" ) {
9223
9224                                 current = prev;
9225
9226                         // Convert response if prev dataType is non-auto and differs from current
9227                         } else if ( prev !== "*" && prev !== current ) {
9228
9229                                 // Seek a direct converter
9230                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
9231
9232                                 // If none found, seek a pair
9233                                 if ( !conv ) {
9234                                         for ( conv2 in converters ) {
9235
9236                                                 // If conv2 outputs current
9237                                                 tmp = conv2.split( " " );
9238                                                 if ( tmp[ 1 ] === current ) {
9239
9240                                                         // If prev can be converted to accepted input
9241                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
9242                                                                 converters[ "* " + tmp[ 0 ] ];
9243                                                         if ( conv ) {
9244
9245                                                                 // Condense equivalence converters
9246                                                                 if ( conv === true ) {
9247                                                                         conv = converters[ conv2 ];
9248
9249                                                                 // Otherwise, insert the intermediate dataType
9250                                                                 } else if ( converters[ conv2 ] !== true ) {
9251                                                                         current = tmp[ 0 ];
9252                                                                         dataTypes.unshift( tmp[ 1 ] );
9253                                                                 }
9254                                                                 break;
9255                                                         }
9256                                                 }
9257                                         }
9258                                 }
9259
9260                                 // Apply converter (if not an equivalence)
9261                                 if ( conv !== true ) {
9262
9263                                         // Unless errors are allowed to bubble, catch and return them
9264                                         if ( conv && s.throws ) {
9265                                                 response = conv( response );
9266                                         } else {
9267                                                 try {
9268                                                         response = conv( response );
9269                                                 } catch ( e ) {
9270                                                         return {
9271                                                                 state: "parsererror",
9272                                                                 error: conv ? e : "No conversion from " + prev + " to " + current
9273                                                         };
9274                                                 }
9275                                         }
9276                                 }
9277                         }
9278                 }
9279         }
9280
9281         return { state: "success", data: response };
9282 }
9283
9284 jQuery.extend( {
9285
9286         // Counter for holding the number of active queries
9287         active: 0,
9288
9289         // Last-Modified header cache for next request
9290         lastModified: {},
9291         etag: {},
9292
9293         ajaxSettings: {
9294                 url: location.href,
9295                 type: "GET",
9296                 isLocal: rlocalProtocol.test( location.protocol ),
9297                 global: true,
9298                 processData: true,
9299                 async: true,
9300                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
9301
9302                 /*
9303                 timeout: 0,
9304                 data: null,
9305                 dataType: null,
9306                 username: null,
9307                 password: null,
9308                 cache: null,
9309                 throws: false,
9310                 traditional: false,
9311                 headers: {},
9312                 */
9313
9314                 accepts: {
9315                         "*": allTypes,
9316                         text: "text/plain",
9317                         html: "text/html",
9318                         xml: "application/xml, text/xml",
9319                         json: "application/json, text/javascript"
9320                 },
9321
9322                 contents: {
9323                         xml: /\bxml\b/,
9324                         html: /\bhtml/,
9325                         json: /\bjson\b/
9326                 },
9327
9328                 responseFields: {
9329                         xml: "responseXML",
9330                         text: "responseText",
9331                         json: "responseJSON"
9332                 },
9333
9334                 // Data converters
9335                 // Keys separate source (or catchall "*") and destination types with a single space
9336                 converters: {
9337
9338                         // Convert anything to text
9339                         "* text": String,
9340
9341                         // Text to html (true = no transformation)
9342                         "text html": true,
9343
9344                         // Evaluate text as a json expression
9345                         "text json": JSON.parse,
9346
9347                         // Parse text as xml
9348                         "text xml": jQuery.parseXML
9349                 },
9350
9351                 // For options that shouldn't be deep extended:
9352                 // you can add your own custom options here if
9353                 // and when you create one that shouldn't be
9354                 // deep extended (see ajaxExtend)
9355                 flatOptions: {
9356                         url: true,
9357                         context: true
9358                 }
9359         },
9360
9361         // Creates a full fledged settings object into target
9362         // with both ajaxSettings and settings fields.
9363         // If target is omitted, writes into ajaxSettings.
9364         ajaxSetup: function( target, settings ) {
9365                 return settings ?
9366
9367                         // Building a settings object
9368                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
9369
9370                         // Extending ajaxSettings
9371                         ajaxExtend( jQuery.ajaxSettings, target );
9372         },
9373
9374         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
9375         ajaxTransport: addToPrefiltersOrTransports( transports ),
9376
9377         // Main method
9378         ajax: function( url, options ) {
9379
9380                 // If url is an object, simulate pre-1.5 signature
9381                 if ( typeof url === "object" ) {
9382                         options = url;
9383                         url = undefined;
9384                 }
9385
9386                 // Force options to be an object
9387                 options = options || {};
9388
9389                 var transport,
9390
9391                         // URL without anti-cache param
9392                         cacheURL,
9393
9394                         // Response headers
9395                         responseHeadersString,
9396                         responseHeaders,
9397
9398                         // timeout handle
9399                         timeoutTimer,
9400
9401                         // Url cleanup var
9402                         urlAnchor,
9403
9404                         // Request state (becomes false upon send and true upon completion)
9405                         completed,
9406
9407                         // To know if global events are to be dispatched
9408                         fireGlobals,
9409
9410                         // Loop variable
9411                         i,
9412
9413                         // uncached part of the url
9414                         uncached,
9415
9416                         // Create the final options object
9417                         s = jQuery.ajaxSetup( {}, options ),
9418
9419                         // Callbacks context
9420                         callbackContext = s.context || s,
9421
9422                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
9423                         globalEventContext = s.context &&
9424                                 ( callbackContext.nodeType || callbackContext.jquery ) ?
9425                                 jQuery( callbackContext ) :
9426                                 jQuery.event,
9427
9428                         // Deferreds
9429                         deferred = jQuery.Deferred(),
9430                         completeDeferred = jQuery.Callbacks( "once memory" ),
9431
9432                         // Status-dependent callbacks
9433                         statusCode = s.statusCode || {},
9434
9435                         // Headers (they are sent all at once)
9436                         requestHeaders = {},
9437                         requestHeadersNames = {},
9438
9439                         // Default abort message
9440                         strAbort = "canceled",
9441
9442                         // Fake xhr
9443                         jqXHR = {
9444                                 readyState: 0,
9445
9446                                 // Builds headers hashtable if needed
9447                                 getResponseHeader: function( key ) {
9448                                         var match;
9449                                         if ( completed ) {
9450                                                 if ( !responseHeaders ) {
9451                                                         responseHeaders = {};
9452                                                         while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
9453                                                                 responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
9454                                                                         ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
9455                                                                                 .concat( match[ 2 ] );
9456                                                         }
9457                                                 }
9458                                                 match = responseHeaders[ key.toLowerCase() + " " ];
9459                                         }
9460                                         return match == null ? null : match.join( ", " );
9461                                 },
9462
9463                                 // Raw string
9464                                 getAllResponseHeaders: function() {
9465                                         return completed ? responseHeadersString : null;
9466                                 },
9467
9468                                 // Caches the header
9469                                 setRequestHeader: function( name, value ) {
9470                                         if ( completed == null ) {
9471                                                 name = requestHeadersNames[ name.toLowerCase() ] =
9472                                                         requestHeadersNames[ name.toLowerCase() ] || name;
9473                                                 requestHeaders[ name ] = value;
9474                                         }
9475                                         return this;
9476                                 },
9477
9478                                 // Overrides response content-type header
9479                                 overrideMimeType: function( type ) {
9480                                         if ( completed == null ) {
9481                                                 s.mimeType = type;
9482                                         }
9483                                         return this;
9484                                 },
9485
9486                                 // Status-dependent callbacks
9487                                 statusCode: function( map ) {
9488                                         var code;
9489                                         if ( map ) {
9490                                                 if ( completed ) {
9491
9492                                                         // Execute the appropriate callbacks
9493                                                         jqXHR.always( map[ jqXHR.status ] );
9494                                                 } else {
9495
9496                                                         // Lazy-add the new callbacks in a way that preserves old ones
9497                                                         for ( code in map ) {
9498                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9499                                                         }
9500                                                 }
9501                                         }
9502                                         return this;
9503                                 },
9504
9505                                 // Cancel the request
9506                                 abort: function( statusText ) {
9507                                         var finalText = statusText || strAbort;
9508                                         if ( transport ) {
9509                                                 transport.abort( finalText );
9510                                         }
9511                                         done( 0, finalText );
9512                                         return this;
9513                                 }
9514                         };
9515
9516                 // Attach deferreds
9517                 deferred.promise( jqXHR );
9518
9519                 // Add protocol if not provided (prefilters might expect it)
9520                 // Handle falsy url in the settings object (#10093: consistency with old signature)
9521                 // We also use the url parameter if available
9522                 s.url = ( ( url || s.url || location.href ) + "" )
9523                         .replace( rprotocol, location.protocol + "//" );
9524
9525                 // Alias method option to type as per ticket #12004
9526                 s.type = options.method || options.type || s.method || s.type;
9527
9528                 // Extract dataTypes list
9529                 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9530
9531                 // A cross-domain request is in order when the origin doesn't match the current origin.
9532                 if ( s.crossDomain == null ) {
9533                         urlAnchor = document.createElement( "a" );
9534
9535                         // Support: IE <=8 - 11, Edge 12 - 15
9536                         // IE throws exception on accessing the href property if url is malformed,
9537                         // e.g. http://example.com:80x/
9538                         try {
9539                                 urlAnchor.href = s.url;
9540
9541                                 // Support: IE <=8 - 11 only
9542                                 // Anchor's host property isn't correctly set when s.url is relative
9543                                 urlAnchor.href = urlAnchor.href;
9544                                 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9545                                         urlAnchor.protocol + "//" + urlAnchor.host;
9546                         } catch ( e ) {
9547
9548                                 // If there is an error parsing the URL, assume it is crossDomain,
9549                                 // it can be rejected by the transport if it is invalid
9550                                 s.crossDomain = true;
9551                         }
9552                 }
9553
9554                 // Convert data if not already a string
9555                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9556                         s.data = jQuery.param( s.data, s.traditional );
9557                 }
9558
9559                 // Apply prefilters
9560                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9561
9562                 // If request was aborted inside a prefilter, stop there
9563                 if ( completed ) {
9564                         return jqXHR;
9565                 }
9566
9567                 // We can fire global events as of now if asked to
9568                 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9569                 fireGlobals = jQuery.event && s.global;
9570
9571                 // Watch for a new set of requests
9572                 if ( fireGlobals && jQuery.active++ === 0 ) {
9573                         jQuery.event.trigger( "ajaxStart" );
9574                 }
9575
9576                 // Uppercase the type
9577                 s.type = s.type.toUpperCase();
9578
9579                 // Determine if request has content
9580                 s.hasContent = !rnoContent.test( s.type );
9581
9582                 // Save the URL in case we're toying with the If-Modified-Since
9583                 // and/or If-None-Match header later on
9584                 // Remove hash to simplify url manipulation
9585                 cacheURL = s.url.replace( rhash, "" );
9586
9587                 // More options handling for requests with no content
9588                 if ( !s.hasContent ) {
9589
9590                         // Remember the hash so we can put it back
9591                         uncached = s.url.slice( cacheURL.length );
9592
9593                         // If data is available and should be processed, append data to url
9594                         if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9595                                 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9596
9597                                 // #9682: remove data so that it's not used in an eventual retry
9598                                 delete s.data;
9599                         }
9600
9601                         // Add or update anti-cache param if needed
9602                         if ( s.cache === false ) {
9603                                 cacheURL = cacheURL.replace( rantiCache, "$1" );
9604                                 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) +
9605                                         uncached;
9606                         }
9607
9608                         // Put hash and anti-cache on the URL that will be requested (gh-1732)
9609                         s.url = cacheURL + uncached;
9610
9611                 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9612                 } else if ( s.data && s.processData &&
9613                         ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9614                         s.data = s.data.replace( r20, "+" );
9615                 }
9616
9617                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9618                 if ( s.ifModified ) {
9619                         if ( jQuery.lastModified[ cacheURL ] ) {
9620                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9621                         }
9622                         if ( jQuery.etag[ cacheURL ] ) {
9623                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9624                         }
9625                 }
9626
9627                 // Set the correct header, if data is being sent
9628                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9629                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9630                 }
9631
9632                 // Set the Accepts header for the server, depending on the dataType
9633                 jqXHR.setRequestHeader(
9634                         "Accept",
9635                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9636                                 s.accepts[ s.dataTypes[ 0 ] ] +
9637                                         ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9638                                 s.accepts[ "*" ]
9639                 );
9640
9641                 // Check for headers option
9642                 for ( i in s.headers ) {
9643                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9644                 }
9645
9646                 // Allow custom headers/mimetypes and early abort
9647                 if ( s.beforeSend &&
9648                         ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9649
9650                         // Abort if not done already and return
9651                         return jqXHR.abort();
9652                 }
9653
9654                 // Aborting is no longer a cancellation
9655                 strAbort = "abort";
9656
9657                 // Install callbacks on deferreds
9658                 completeDeferred.add( s.complete );
9659                 jqXHR.done( s.success );
9660                 jqXHR.fail( s.error );
9661
9662                 // Get transport
9663                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9664
9665                 // If no transport, we auto-abort
9666                 if ( !transport ) {
9667                         done( -1, "No Transport" );
9668                 } else {
9669                         jqXHR.readyState = 1;
9670
9671                         // Send global event
9672                         if ( fireGlobals ) {
9673                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9674                         }
9675
9676                         // If request was aborted inside ajaxSend, stop there
9677                         if ( completed ) {
9678                                 return jqXHR;
9679                         }
9680
9681                         // Timeout
9682                         if ( s.async && s.timeout > 0 ) {
9683                                 timeoutTimer = window.setTimeout( function() {
9684                                         jqXHR.abort( "timeout" );
9685                                 }, s.timeout );
9686                         }
9687
9688                         try {
9689                                 completed = false;
9690                                 transport.send( requestHeaders, done );
9691                         } catch ( e ) {
9692
9693                                 // Rethrow post-completion exceptions
9694                                 if ( completed ) {
9695                                         throw e;
9696                                 }
9697
9698                                 // Propagate others as results
9699                                 done( -1, e );
9700                         }
9701                 }
9702
9703                 // Callback for when everything is done
9704                 function done( status, nativeStatusText, responses, headers ) {
9705                         var isSuccess, success, error, response, modified,
9706                                 statusText = nativeStatusText;
9707
9708                         // Ignore repeat invocations
9709                         if ( completed ) {
9710                                 return;
9711                         }
9712
9713                         completed = true;
9714
9715                         // Clear timeout if it exists
9716                         if ( timeoutTimer ) {
9717                                 window.clearTimeout( timeoutTimer );
9718                         }
9719
9720                         // Dereference transport for early garbage collection
9721                         // (no matter how long the jqXHR object will be used)
9722                         transport = undefined;
9723
9724                         // Cache response headers
9725                         responseHeadersString = headers || "";
9726
9727                         // Set readyState
9728                         jqXHR.readyState = status > 0 ? 4 : 0;
9729
9730                         // Determine if successful
9731                         isSuccess = status >= 200 && status < 300 || status === 304;
9732
9733                         // Get response data
9734                         if ( responses ) {
9735                                 response = ajaxHandleResponses( s, jqXHR, responses );
9736                         }
9737
9738                         // Use a noop converter for missing script but not if jsonp
9739                         if ( !isSuccess &&
9740                                 jQuery.inArray( "script", s.dataTypes ) > -1 &&
9741                                 jQuery.inArray( "json", s.dataTypes ) < 0 ) {
9742                                 s.converters[ "text script" ] = function() {};
9743                         }
9744
9745                         // Convert no matter what (that way responseXXX fields are always set)
9746                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9747
9748                         // If successful, handle type chaining
9749                         if ( isSuccess ) {
9750
9751                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9752                                 if ( s.ifModified ) {
9753                                         modified = jqXHR.getResponseHeader( "Last-Modified" );
9754                                         if ( modified ) {
9755                                                 jQuery.lastModified[ cacheURL ] = modified;
9756                                         }
9757                                         modified = jqXHR.getResponseHeader( "etag" );
9758                                         if ( modified ) {
9759                                                 jQuery.etag[ cacheURL ] = modified;
9760                                         }
9761                                 }
9762
9763                                 // if no content
9764                                 if ( status === 204 || s.type === "HEAD" ) {
9765                                         statusText = "nocontent";
9766
9767                                 // if not modified
9768                                 } else if ( status === 304 ) {
9769                                         statusText = "notmodified";
9770
9771                                 // If we have data, let's convert it
9772                                 } else {
9773                                         statusText = response.state;
9774                                         success = response.data;
9775                                         error = response.error;
9776                                         isSuccess = !error;
9777                                 }
9778                         } else {
9779
9780                                 // Extract error from statusText and normalize for non-aborts
9781                                 error = statusText;
9782                                 if ( status || !statusText ) {
9783                                         statusText = "error";
9784                                         if ( status < 0 ) {
9785                                                 status = 0;
9786                                         }
9787                                 }
9788                         }
9789
9790                         // Set data for the fake xhr object
9791                         jqXHR.status = status;
9792                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9793
9794                         // Success/Error
9795                         if ( isSuccess ) {
9796                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9797                         } else {
9798                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9799                         }
9800
9801                         // Status-dependent callbacks
9802                         jqXHR.statusCode( statusCode );
9803                         statusCode = undefined;
9804
9805                         if ( fireGlobals ) {
9806                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9807                                         [ jqXHR, s, isSuccess ? success : error ] );
9808                         }
9809
9810                         // Complete
9811                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9812
9813                         if ( fireGlobals ) {
9814                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9815
9816                                 // Handle the global AJAX counter
9817                                 if ( !( --jQuery.active ) ) {
9818                                         jQuery.event.trigger( "ajaxStop" );
9819                                 }
9820                         }
9821                 }
9822
9823                 return jqXHR;
9824         },
9825
9826         getJSON: function( url, data, callback ) {
9827                 return jQuery.get( url, data, callback, "json" );
9828         },
9829
9830         getScript: function( url, callback ) {
9831                 return jQuery.get( url, undefined, callback, "script" );
9832         }
9833 } );
9834
9835 jQuery.each( [ "get", "post" ], function( _i, method ) {
9836         jQuery[ method ] = function( url, data, callback, type ) {
9837
9838                 // Shift arguments if data argument was omitted
9839                 if ( isFunction( data ) ) {
9840                         type = type || callback;
9841                         callback = data;
9842                         data = undefined;
9843                 }
9844
9845                 // The url can be an options object (which then must have .url)
9846                 return jQuery.ajax( jQuery.extend( {
9847                         url: url,
9848                         type: method,
9849                         dataType: type,
9850                         data: data,
9851                         success: callback
9852                 }, jQuery.isPlainObject( url ) && url ) );
9853         };
9854 } );
9855
9856 jQuery.ajaxPrefilter( function( s ) {
9857         var i;
9858         for ( i in s.headers ) {
9859                 if ( i.toLowerCase() === "content-type" ) {
9860                         s.contentType = s.headers[ i ] || "";
9861                 }
9862         }
9863 } );
9864
9865
9866 jQuery._evalUrl = function( url, options, doc ) {
9867         return jQuery.ajax( {
9868                 url: url,
9869
9870                 // Make this explicit, since user can override this through ajaxSetup (#11264)
9871                 type: "GET",
9872                 dataType: "script",
9873                 cache: true,
9874                 async: false,
9875                 global: false,
9876
9877                 // Only evaluate the response if it is successful (gh-4126)
9878                 // dataFilter is not invoked for failure responses, so using it instead
9879                 // of the default converter is kludgy but it works.
9880                 converters: {
9881                         "text script": function() {}
9882                 },
9883                 dataFilter: function( response ) {
9884                         jQuery.globalEval( response, options, doc );
9885                 }
9886         } );
9887 };
9888
9889
9890 jQuery.fn.extend( {
9891         wrapAll: function( html ) {
9892                 var wrap;
9893
9894                 if ( this[ 0 ] ) {
9895                         if ( isFunction( html ) ) {
9896                                 html = html.call( this[ 0 ] );
9897                         }
9898
9899                         // The elements to wrap the target around
9900                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9901
9902                         if ( this[ 0 ].parentNode ) {
9903                                 wrap.insertBefore( this[ 0 ] );
9904                         }
9905
9906                         wrap.map( function() {
9907                                 var elem = this;
9908
9909                                 while ( elem.firstElementChild ) {
9910                                         elem = elem.firstElementChild;
9911                                 }
9912
9913                                 return elem;
9914                         } ).append( this );
9915                 }
9916
9917                 return this;
9918         },
9919
9920         wrapInner: function( html ) {
9921                 if ( isFunction( html ) ) {
9922                         return this.each( function( i ) {
9923                                 jQuery( this ).wrapInner( html.call( this, i ) );
9924                         } );
9925                 }
9926
9927                 return this.each( function() {
9928                         var self = jQuery( this ),
9929                                 contents = self.contents();
9930
9931                         if ( contents.length ) {
9932                                 contents.wrapAll( html );
9933
9934                         } else {
9935                                 self.append( html );
9936                         }
9937                 } );
9938         },
9939
9940         wrap: function( html ) {
9941                 var htmlIsFunction = isFunction( html );
9942
9943                 return this.each( function( i ) {
9944                         jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9945                 } );
9946         },
9947
9948         unwrap: function( selector ) {
9949                 this.parent( selector ).not( "body" ).each( function() {
9950                         jQuery( this ).replaceWith( this.childNodes );
9951                 } );
9952                 return this;
9953         }
9954 } );
9955
9956
9957 jQuery.expr.pseudos.hidden = function( elem ) {
9958         return !jQuery.expr.pseudos.visible( elem );
9959 };
9960 jQuery.expr.pseudos.visible = function( elem ) {
9961         return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9962 };
9963
9964
9965
9966
9967 jQuery.ajaxSettings.xhr = function() {
9968         try {
9969                 return new window.XMLHttpRequest();
9970         } catch ( e ) {}
9971 };
9972
9973 var xhrSuccessStatus = {
9974
9975                 // File protocol always yields status code 0, assume 200
9976                 0: 200,
9977
9978                 // Support: IE <=9 only
9979                 // #1450: sometimes IE returns 1223 when it should be 204
9980                 1223: 204
9981         },
9982         xhrSupported = jQuery.ajaxSettings.xhr();
9983
9984 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9985 support.ajax = xhrSupported = !!xhrSupported;
9986
9987 jQuery.ajaxTransport( function( options ) {
9988         var callback, errorCallback;
9989
9990         // Cross domain only allowed if supported through XMLHttpRequest
9991         if ( support.cors || xhrSupported && !options.crossDomain ) {
9992                 return {
9993                         send: function( headers, complete ) {
9994                                 var i,
9995                                         xhr = options.xhr();
9996
9997                                 xhr.open(
9998                                         options.type,
9999                                         options.url,
10000                                         options.async,
10001                                         options.username,
10002                                         options.password
10003                                 );
10004
10005                                 // Apply custom fields if provided
10006                                 if ( options.xhrFields ) {
10007                                         for ( i in options.xhrFields ) {
10008                                                 xhr[ i ] = options.xhrFields[ i ];
10009                                         }
10010                                 }
10011
10012                                 // Override mime type if needed
10013                                 if ( options.mimeType && xhr.overrideMimeType ) {
10014                                         xhr.overrideMimeType( options.mimeType );
10015                                 }
10016
10017                                 // X-Requested-With header
10018                                 // For cross-domain requests, seeing as conditions for a preflight are
10019                                 // akin to a jigsaw puzzle, we simply never set it to be sure.
10020                                 // (it can always be set on a per-request basis or even using ajaxSetup)
10021                                 // For same-domain requests, won't change header if already provided.
10022                                 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
10023                                         headers[ "X-Requested-With" ] = "XMLHttpRequest";
10024                                 }
10025
10026                                 // Set headers
10027                                 for ( i in headers ) {
10028                                         xhr.setRequestHeader( i, headers[ i ] );
10029                                 }
10030
10031                                 // Callback
10032                                 callback = function( type ) {
10033                                         return function() {
10034                                                 if ( callback ) {
10035                                                         callback = errorCallback = xhr.onload =
10036                                                                 xhr.onerror = xhr.onabort = xhr.ontimeout =
10037                                                                         xhr.onreadystatechange = null;
10038
10039                                                         if ( type === "abort" ) {
10040                                                                 xhr.abort();
10041                                                         } else if ( type === "error" ) {
10042
10043                                                                 // Support: IE <=9 only
10044                                                                 // On a manual native abort, IE9 throws
10045                                                                 // errors on any property access that is not readyState
10046                                                                 if ( typeof xhr.status !== "number" ) {
10047                                                                         complete( 0, "error" );
10048                                                                 } else {
10049                                                                         complete(
10050
10051                                                                                 // File: protocol always yields status 0; see #8605, #14207
10052                                                                                 xhr.status,
10053                                                                                 xhr.statusText
10054                                                                         );
10055                                                                 }
10056                                                         } else {
10057                                                                 complete(
10058                                                                         xhrSuccessStatus[ xhr.status ] || xhr.status,
10059                                                                         xhr.statusText,
10060
10061                                                                         // Support: IE <=9 only
10062                                                                         // IE9 has no XHR2 but throws on binary (trac-11426)
10063                                                                         // For XHR2 non-text, let the caller handle it (gh-2498)
10064                                                                         ( xhr.responseType || "text" ) !== "text"  ||
10065                                                                         typeof xhr.responseText !== "string" ?
10066                                                                                 { binary: xhr.response } :
10067                                                                                 { text: xhr.responseText },
10068                                                                         xhr.getAllResponseHeaders()
10069                                                                 );
10070                                                         }
10071                                                 }
10072                                         };
10073                                 };
10074
10075                                 // Listen to events
10076                                 xhr.onload = callback();
10077                                 errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
10078
10079                                 // Support: IE 9 only
10080                                 // Use onreadystatechange to replace onabort
10081                                 // to handle uncaught aborts
10082                                 if ( xhr.onabort !== undefined ) {
10083                                         xhr.onabort = errorCallback;
10084                                 } else {
10085                                         xhr.onreadystatechange = function() {
10086
10087                                                 // Check readyState before timeout as it changes
10088                                                 if ( xhr.readyState === 4 ) {
10089
10090                                                         // Allow onerror to be called first,
10091                                                         // but that will not handle a native abort
10092                                                         // Also, save errorCallback to a variable
10093                                                         // as xhr.onerror cannot be accessed
10094                                                         window.setTimeout( function() {
10095                                                                 if ( callback ) {
10096                                                                         errorCallback();
10097                                                                 }
10098                                                         } );
10099                                                 }
10100                                         };
10101                                 }
10102
10103                                 // Create the abort callback
10104                                 callback = callback( "abort" );
10105
10106                                 try {
10107
10108                                         // Do send the request (this may raise an exception)
10109                                         xhr.send( options.hasContent && options.data || null );
10110                                 } catch ( e ) {
10111
10112                                         // #14683: Only rethrow if this hasn't been notified as an error yet
10113                                         if ( callback ) {
10114                                                 throw e;
10115                                         }
10116                                 }
10117                         },
10118
10119                         abort: function() {
10120                                 if ( callback ) {
10121                                         callback();
10122                                 }
10123                         }
10124                 };
10125         }
10126 } );
10127
10128
10129
10130
10131 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
10132 jQuery.ajaxPrefilter( function( s ) {
10133         if ( s.crossDomain ) {
10134                 s.contents.script = false;
10135         }
10136 } );
10137
10138 // Install script dataType
10139 jQuery.ajaxSetup( {
10140         accepts: {
10141                 script: "text/javascript, application/javascript, " +
10142                         "application/ecmascript, application/x-ecmascript"
10143         },
10144         contents: {
10145                 script: /\b(?:java|ecma)script\b/
10146         },
10147         converters: {
10148                 "text script": function( text ) {
10149                         jQuery.globalEval( text );
10150                         return text;
10151                 }
10152         }
10153 } );
10154
10155 // Handle cache's special case and crossDomain
10156 jQuery.ajaxPrefilter( "script", function( s ) {
10157         if ( s.cache === undefined ) {
10158                 s.cache = false;
10159         }
10160         if ( s.crossDomain ) {
10161                 s.type = "GET";
10162         }
10163 } );
10164
10165 // Bind script tag hack transport
10166 jQuery.ajaxTransport( "script", function( s ) {
10167
10168         // This transport only deals with cross domain or forced-by-attrs requests
10169         if ( s.crossDomain || s.scriptAttrs ) {
10170                 var script, callback;
10171                 return {
10172                         send: function( _, complete ) {
10173                                 script = jQuery( "<script>" )
10174                                         .attr( s.scriptAttrs || {} )
10175                                         .prop( { charset: s.scriptCharset, src: s.url } )
10176                                         .on( "load error", callback = function( evt ) {
10177                                                 script.remove();
10178                                                 callback = null;
10179                                                 if ( evt ) {
10180                                                         complete( evt.type === "error" ? 404 : 200, evt.type );
10181                                                 }
10182                                         } );
10183
10184                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
10185                                 document.head.appendChild( script[ 0 ] );
10186                         },
10187                         abort: function() {
10188                                 if ( callback ) {
10189                                         callback();
10190                                 }
10191                         }
10192                 };
10193         }
10194 } );
10195
10196
10197
10198
10199 var oldCallbacks = [],
10200         rjsonp = /(=)\?(?=&|$)|\?\?/;
10201
10202 // Default jsonp settings
10203 jQuery.ajaxSetup( {
10204         jsonp: "callback",
10205         jsonpCallback: function() {
10206                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) );
10207                 this[ callback ] = true;
10208                 return callback;
10209         }
10210 } );
10211
10212 // Detect, normalize options and install callbacks for jsonp requests
10213 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
10214
10215         var callbackName, overwritten, responseContainer,
10216                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
10217                         "url" :
10218                         typeof s.data === "string" &&
10219                                 ( s.contentType || "" )
10220                                         .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
10221                                 rjsonp.test( s.data ) && "data"
10222                 );
10223
10224         // Handle iff the expected data type is "jsonp" or we have a parameter to set
10225         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
10226
10227                 // Get callback name, remembering preexisting value associated with it
10228                 callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
10229                         s.jsonpCallback() :
10230                         s.jsonpCallback;
10231
10232                 // Insert callback into url or form data
10233                 if ( jsonProp ) {
10234                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
10235                 } else if ( s.jsonp !== false ) {
10236                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
10237                 }
10238
10239                 // Use data converter to retrieve json after script execution
10240                 s.converters[ "script json" ] = function() {
10241                         if ( !responseContainer ) {
10242                                 jQuery.error( callbackName + " was not called" );
10243                         }
10244                         return responseContainer[ 0 ];
10245                 };
10246
10247                 // Force json dataType
10248                 s.dataTypes[ 0 ] = "json";
10249
10250                 // Install callback
10251                 overwritten = window[ callbackName ];
10252                 window[ callbackName ] = function() {
10253                         responseContainer = arguments;
10254                 };
10255
10256                 // Clean-up function (fires after converters)
10257                 jqXHR.always( function() {
10258
10259                         // If previous value didn't exist - remove it
10260                         if ( overwritten === undefined ) {
10261                                 jQuery( window ).removeProp( callbackName );
10262
10263                         // Otherwise restore preexisting value
10264                         } else {
10265                                 window[ callbackName ] = overwritten;
10266                         }
10267
10268                         // Save back as free
10269                         if ( s[ callbackName ] ) {
10270
10271                                 // Make sure that re-using the options doesn't screw things around
10272                                 s.jsonpCallback = originalSettings.jsonpCallback;
10273
10274                                 // Save the callback name for future use
10275                                 oldCallbacks.push( callbackName );
10276                         }
10277
10278                         // Call if it was a function and we have a response
10279                         if ( responseContainer && isFunction( overwritten ) ) {
10280                                 overwritten( responseContainer[ 0 ] );
10281                         }
10282
10283                         responseContainer = overwritten = undefined;
10284                 } );
10285
10286                 // Delegate to script
10287                 return "script";
10288         }
10289 } );
10290
10291
10292
10293
10294 // Support: Safari 8 only
10295 // In Safari 8 documents created via document.implementation.createHTMLDocument
10296 // collapse sibling forms: the second one becomes a child of the first one.
10297 // Because of that, this security measure has to be disabled in Safari 8.
10298 // https://bugs.webkit.org/show_bug.cgi?id=137337
10299 support.createHTMLDocument = ( function() {
10300         var body = document.implementation.createHTMLDocument( "" ).body;
10301         body.innerHTML = "<form></form><form></form>";
10302         return body.childNodes.length === 2;
10303 } )();
10304
10305
10306 // Argument "data" should be string of html
10307 // context (optional): If specified, the fragment will be created in this context,
10308 // defaults to document
10309 // keepScripts (optional): If true, will include scripts passed in the html string
10310 jQuery.parseHTML = function( data, context, keepScripts ) {
10311         if ( typeof data !== "string" ) {
10312                 return [];
10313         }
10314         if ( typeof context === "boolean" ) {
10315                 keepScripts = context;
10316                 context = false;
10317         }
10318
10319         var base, parsed, scripts;
10320
10321         if ( !context ) {
10322
10323                 // Stop scripts or inline event handlers from being executed immediately
10324                 // by using document.implementation
10325                 if ( support.createHTMLDocument ) {
10326                         context = document.implementation.createHTMLDocument( "" );
10327
10328                         // Set the base href for the created document
10329                         // so any parsed elements with URLs
10330                         // are based on the document's URL (gh-2965)
10331                         base = context.createElement( "base" );
10332                         base.href = document.location.href;
10333                         context.head.appendChild( base );
10334                 } else {
10335                         context = document;
10336                 }
10337         }
10338
10339         parsed = rsingleTag.exec( data );
10340         scripts = !keepScripts && [];
10341
10342         // Single tag
10343         if ( parsed ) {
10344                 return [ context.createElement( parsed[ 1 ] ) ];
10345         }
10346
10347         parsed = buildFragment( [ data ], context, scripts );
10348
10349         if ( scripts && scripts.length ) {
10350                 jQuery( scripts ).remove();
10351         }
10352
10353         return jQuery.merge( [], parsed.childNodes );
10354 };
10355
10356
10357 /**
10358  * Load a url into a page
10359  */
10360 jQuery.fn.load = function( url, params, callback ) {
10361         var selector, type, response,
10362                 self = this,
10363                 off = url.indexOf( " " );
10364
10365         if ( off > -1 ) {
10366                 selector = stripAndCollapse( url.slice( off ) );
10367                 url = url.slice( 0, off );
10368         }
10369
10370         // If it's a function
10371         if ( isFunction( params ) ) {
10372
10373                 // We assume that it's the callback
10374                 callback = params;
10375                 params = undefined;
10376
10377         // Otherwise, build a param string
10378         } else if ( params && typeof params === "object" ) {
10379                 type = "POST";
10380         }
10381
10382         // If we have elements to modify, make the request
10383         if ( self.length > 0 ) {
10384                 jQuery.ajax( {
10385                         url: url,
10386
10387                         // If "type" variable is undefined, then "GET" method will be used.
10388                         // Make value of this field explicit since
10389                         // user can override it through ajaxSetup method
10390                         type: type || "GET",
10391                         dataType: "html",
10392                         data: params
10393                 } ).done( function( responseText ) {
10394
10395                         // Save response for use in complete callback
10396                         response = arguments;
10397
10398                         self.html( selector ?
10399
10400                                 // If a selector was specified, locate the right elements in a dummy div
10401                                 // Exclude scripts to avoid IE 'Permission Denied' errors
10402                                 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
10403
10404                                 // Otherwise use the full result
10405                                 responseText );
10406
10407                 // If the request succeeds, this function gets "data", "status", "jqXHR"
10408                 // but they are ignored because response was set above.
10409                 // If it fails, this function gets "jqXHR", "status", "error"
10410                 } ).always( callback && function( jqXHR, status ) {
10411                         self.each( function() {
10412                                 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
10413                         } );
10414                 } );
10415         }
10416
10417         return this;
10418 };
10419
10420
10421
10422
10423 jQuery.expr.pseudos.animated = function( elem ) {
10424         return jQuery.grep( jQuery.timers, function( fn ) {
10425                 return elem === fn.elem;
10426         } ).length;
10427 };
10428
10429
10430
10431
10432 jQuery.offset = {
10433         setOffset: function( elem, options, i ) {
10434                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10435                         position = jQuery.css( elem, "position" ),
10436                         curElem = jQuery( elem ),
10437                         props = {};
10438
10439                 // Set position first, in-case top/left are set even on static elem
10440                 if ( position === "static" ) {
10441                         elem.style.position = "relative";
10442                 }
10443
10444                 curOffset = curElem.offset();
10445                 curCSSTop = jQuery.css( elem, "top" );
10446                 curCSSLeft = jQuery.css( elem, "left" );
10447                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10448                         ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
10449
10450                 // Need to be able to calculate position if either
10451                 // top or left is auto and position is either absolute or fixed
10452                 if ( calculatePosition ) {
10453                         curPosition = curElem.position();
10454                         curTop = curPosition.top;
10455                         curLeft = curPosition.left;
10456
10457                 } else {
10458                         curTop = parseFloat( curCSSTop ) || 0;
10459                         curLeft = parseFloat( curCSSLeft ) || 0;
10460                 }
10461
10462                 if ( isFunction( options ) ) {
10463
10464                         // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10465                         options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
10466                 }
10467
10468                 if ( options.top != null ) {
10469                         props.top = ( options.top - curOffset.top ) + curTop;
10470                 }
10471                 if ( options.left != null ) {
10472                         props.left = ( options.left - curOffset.left ) + curLeft;
10473                 }
10474
10475                 if ( "using" in options ) {
10476                         options.using.call( elem, props );
10477
10478                 } else {
10479                         curElem.css( props );
10480                 }
10481         }
10482 };
10483
10484 jQuery.fn.extend( {
10485
10486         // offset() relates an element's border box to the document origin
10487         offset: function( options ) {
10488
10489                 // Preserve chaining for setter
10490                 if ( arguments.length ) {
10491                         return options === undefined ?
10492                                 this :
10493                                 this.each( function( i ) {
10494                                         jQuery.offset.setOffset( this, options, i );
10495                                 } );
10496                 }
10497
10498                 var rect, win,
10499                         elem = this[ 0 ];
10500
10501                 if ( !elem ) {
10502                         return;
10503                 }
10504
10505                 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10506                 // Support: IE <=11 only
10507                 // Running getBoundingClientRect on a
10508                 // disconnected node in IE throws an error
10509                 if ( !elem.getClientRects().length ) {
10510                         return { top: 0, left: 0 };
10511                 }
10512
10513                 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10514                 rect = elem.getBoundingClientRect();
10515                 win = elem.ownerDocument.defaultView;
10516                 return {
10517                         top: rect.top + win.pageYOffset,
10518                         left: rect.left + win.pageXOffset
10519                 };
10520         },
10521
10522         // position() relates an element's margin box to its offset parent's padding box
10523         // This corresponds to the behavior of CSS absolute positioning
10524         position: function() {
10525                 if ( !this[ 0 ] ) {
10526                         return;
10527                 }
10528
10529                 var offsetParent, offset, doc,
10530                         elem = this[ 0 ],
10531                         parentOffset = { top: 0, left: 0 };
10532
10533                 // position:fixed elements are offset from the viewport, which itself always has zero offset
10534                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10535
10536                         // Assume position:fixed implies availability of getBoundingClientRect
10537                         offset = elem.getBoundingClientRect();
10538
10539                 } else {
10540                         offset = this.offset();
10541
10542                         // Account for the *real* offset parent, which can be the document or its root element
10543                         // when a statically positioned element is identified
10544                         doc = elem.ownerDocument;
10545                         offsetParent = elem.offsetParent || doc.documentElement;
10546                         while ( offsetParent &&
10547                                 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10548                                 jQuery.css( offsetParent, "position" ) === "static" ) {
10549
10550                                 offsetParent = offsetParent.parentNode;
10551                         }
10552                         if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10553
10554                                 // Incorporate borders into its offset, since they are outside its content origin
10555                                 parentOffset = jQuery( offsetParent ).offset();
10556                                 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10557                                 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10558                         }
10559                 }
10560
10561                 // Subtract parent offsets and element margins
10562                 return {
10563                         top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10564                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10565                 };
10566         },
10567
10568         // This method will return documentElement in the following cases:
10569         // 1) For the element inside the iframe without offsetParent, this method will return
10570         //    documentElement of the parent window
10571         // 2) For the hidden or detached element
10572         // 3) For body or html element, i.e. in case of the html node - it will return itself
10573         //
10574         // but those exceptions were never presented as a real life use-cases
10575         // and might be considered as more preferable results.
10576         //
10577         // This logic, however, is not guaranteed and can change at any point in the future
10578         offsetParent: function() {
10579                 return this.map( function() {
10580                         var offsetParent = this.offsetParent;
10581
10582                         while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10583                                 offsetParent = offsetParent.offsetParent;
10584                         }
10585
10586                         return offsetParent || documentElement;
10587                 } );
10588         }
10589 } );
10590
10591 // Create scrollLeft and scrollTop methods
10592 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10593         var top = "pageYOffset" === prop;
10594
10595         jQuery.fn[ method ] = function( val ) {
10596                 return access( this, function( elem, method, val ) {
10597
10598                         // Coalesce documents and windows
10599                         var win;
10600                         if ( isWindow( elem ) ) {
10601                                 win = elem;
10602                         } else if ( elem.nodeType === 9 ) {
10603                                 win = elem.defaultView;
10604                         }
10605
10606                         if ( val === undefined ) {
10607                                 return win ? win[ prop ] : elem[ method ];
10608                         }
10609
10610                         if ( win ) {
10611                                 win.scrollTo(
10612                                         !top ? val : win.pageXOffset,
10613                                         top ? val : win.pageYOffset
10614                                 );
10615
10616                         } else {
10617                                 elem[ method ] = val;
10618                         }
10619                 }, method, val, arguments.length );
10620         };
10621 } );
10622
10623 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10624 // Add the top/left cssHooks using jQuery.fn.position
10625 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10626 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10627 // getComputedStyle returns percent when specified for top/left/bottom/right;
10628 // rather than make the css module depend on the offset module, just check for it here
10629 jQuery.each( [ "top", "left" ], function( _i, prop ) {
10630         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10631                 function( elem, computed ) {
10632                         if ( computed ) {
10633                                 computed = curCSS( elem, prop );
10634
10635                                 // If curCSS returns percentage, fallback to offset
10636                                 return rnumnonpx.test( computed ) ?
10637                                         jQuery( elem ).position()[ prop ] + "px" :
10638                                         computed;
10639                         }
10640                 }
10641         );
10642 } );
10643
10644
10645 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10646 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10647         jQuery.each( {
10648                 padding: "inner" + name,
10649                 content: type,
10650                 "": "outer" + name
10651         }, function( defaultExtra, funcName ) {
10652
10653                 // Margin is only for outerHeight, outerWidth
10654                 jQuery.fn[ funcName ] = function( margin, value ) {
10655                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10656                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10657
10658                         return access( this, function( elem, type, value ) {
10659                                 var doc;
10660
10661                                 if ( isWindow( elem ) ) {
10662
10663                                         // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10664                                         return funcName.indexOf( "outer" ) === 0 ?
10665                                                 elem[ "inner" + name ] :
10666                                                 elem.document.documentElement[ "client" + name ];
10667                                 }
10668
10669                                 // Get document width or height
10670                                 if ( elem.nodeType === 9 ) {
10671                                         doc = elem.documentElement;
10672
10673                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10674                                         // whichever is greatest
10675                                         return Math.max(
10676                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10677                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10678                                                 doc[ "client" + name ]
10679                                         );
10680                                 }
10681
10682                                 return value === undefined ?
10683
10684                                         // Get width or height on the element, requesting but not forcing parseFloat
10685                                         jQuery.css( elem, type, extra ) :
10686
10687                                         // Set width or height on the element
10688                                         jQuery.style( elem, type, value, extra );
10689                         }, type, chainable ? margin : undefined, chainable );
10690                 };
10691         } );
10692 } );
10693
10694
10695 jQuery.each( [
10696         "ajaxStart",
10697         "ajaxStop",
10698         "ajaxComplete",
10699         "ajaxError",
10700         "ajaxSuccess",
10701         "ajaxSend"
10702 ], function( _i, type ) {
10703         jQuery.fn[ type ] = function( fn ) {
10704                 return this.on( type, fn );
10705         };
10706 } );
10707
10708
10709
10710
10711 jQuery.fn.extend( {
10712
10713         bind: function( types, data, fn ) {
10714                 return this.on( types, null, data, fn );
10715         },
10716         unbind: function( types, fn ) {
10717                 return this.off( types, null, fn );
10718         },
10719
10720         delegate: function( selector, types, data, fn ) {
10721                 return this.on( types, selector, data, fn );
10722         },
10723         undelegate: function( selector, types, fn ) {
10724
10725                 // ( namespace ) or ( selector, types [, fn] )
10726                 return arguments.length === 1 ?
10727                         this.off( selector, "**" ) :
10728                         this.off( types, selector || "**", fn );
10729         },
10730
10731         hover: function( fnOver, fnOut ) {
10732                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10733         }
10734 } );
10735
10736 jQuery.each(
10737         ( "blur focus focusin focusout resize scroll click dblclick " +
10738         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10739         "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10740         function( _i, name ) {
10741
10742                 // Handle event binding
10743                 jQuery.fn[ name ] = function( data, fn ) {
10744                         return arguments.length > 0 ?
10745                                 this.on( name, null, data, fn ) :
10746                                 this.trigger( name );
10747                 };
10748         }
10749 );
10750
10751
10752
10753
10754 // Support: Android <=4.0 only
10755 // Make sure we trim BOM and NBSP
10756 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
10757
10758 // Bind a function to a context, optionally partially applying any
10759 // arguments.
10760 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10761 // However, it is not slated for removal any time soon
10762 jQuery.proxy = function( fn, context ) {
10763         var tmp, args, proxy;
10764
10765         if ( typeof context === "string" ) {
10766                 tmp = fn[ context ];
10767                 context = fn;
10768                 fn = tmp;
10769         }
10770
10771         // Quick check to determine if target is callable, in the spec
10772         // this throws a TypeError, but we will just return undefined.
10773         if ( !isFunction( fn ) ) {
10774                 return undefined;
10775         }
10776
10777         // Simulated bind
10778         args = slice.call( arguments, 2 );
10779         proxy = function() {
10780                 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10781         };
10782
10783         // Set the guid of unique handler to the same of original handler, so it can be removed
10784         proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10785
10786         return proxy;
10787 };
10788
10789 jQuery.holdReady = function( hold ) {
10790         if ( hold ) {
10791                 jQuery.readyWait++;
10792         } else {
10793                 jQuery.ready( true );
10794         }
10795 };
10796 jQuery.isArray = Array.isArray;
10797 jQuery.parseJSON = JSON.parse;
10798 jQuery.nodeName = nodeName;
10799 jQuery.isFunction = isFunction;
10800 jQuery.isWindow = isWindow;
10801 jQuery.camelCase = camelCase;
10802 jQuery.type = toType;
10803
10804 jQuery.now = Date.now;
10805
10806 jQuery.isNumeric = function( obj ) {
10807
10808         // As of jQuery 3.0, isNumeric is limited to
10809         // strings and numbers (primitives or objects)
10810         // that can be coerced to finite numbers (gh-2662)
10811         var type = jQuery.type( obj );
10812         return ( type === "number" || type === "string" ) &&
10813
10814                 // parseFloat NaNs numeric-cast false positives ("")
10815                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10816                 // subtraction forces infinities to NaN
10817                 !isNaN( obj - parseFloat( obj ) );
10818 };
10819
10820 jQuery.trim = function( text ) {
10821         return text == null ?
10822                 "" :
10823                 ( text + "" ).replace( rtrim, "" );
10824 };
10825
10826
10827
10828 // Register as a named AMD module, since jQuery can be concatenated with other
10829 // files that may use define, but not via a proper concatenation script that
10830 // understands anonymous AMD modules. A named AMD is safest and most robust
10831 // way to register. Lowercase jquery is used because AMD module names are
10832 // derived from file names, and jQuery is normally delivered in a lowercase
10833 // file name. Do this after creating the global so that if an AMD module wants
10834 // to call noConflict to hide this version of jQuery, it will work.
10835
10836 // Note that for maximum portability, libraries that are not jQuery should
10837 // declare themselves as anonymous modules, and avoid setting a global if an
10838 // AMD loader is present. jQuery is a special case. For more information, see
10839 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10840
10841 if ( typeof define === "function" && define.amd ) {
10842         define( "jquery", [], function() {
10843                 return jQuery;
10844         } );
10845 }
10846
10847
10848
10849
10850 var
10851
10852         // Map over jQuery in case of overwrite
10853         _jQuery = window.jQuery,
10854
10855         // Map over the $ in case of overwrite
10856         _$ = window.$;
10857
10858 jQuery.noConflict = function( deep ) {
10859         if ( window.$ === jQuery ) {
10860                 window.$ = _$;
10861         }
10862
10863         if ( deep && window.jQuery === jQuery ) {
10864                 window.jQuery = _jQuery;
10865         }
10866
10867         return jQuery;
10868 };
10869
10870 // Expose jQuery and $ identifiers, even in AMD
10871 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10872 // and CommonJS for browser emulators (#13566)
10873 if ( typeof noGlobal === "undefined" ) {
10874         window.jQuery = window.$ = jQuery;
10875 }
10876
10877
10878
10879
10880 return jQuery;
10881 } );