class Przyporzadkuj extends Exercise
is_multiple: ->
for qp in $(".question-piece", @element)
class Przyporzadkuj extends Exercise
is_multiple: ->
for qp in $(".question-piece", @element)
for pred in $(".predicate [data-predicate]", question)
pn = $(pred).attr('data-predicate')
for pred in $(".predicate [data-predicate]", question)
pn = $(pred).attr('data-predicate')