var selection = window.getSelection(),
element1 = this.canvas.getDocumentElement(selection.anchorNode),
element2 = this.canvas.getDocumentElement(selection.focusNode),
- parent1 = element1.parent(),
- parent2 = element2.parent();
+ parent1 = element1 ? element1.parent() : undefined,
+ parent2 = element2 ? element2.parent() : undefined;
if(command === 'unwrap-node') {
// this.canvas.nodeUnwrap({node: canvasNode.create(pos.parentNode)});