};
Lightbox.prototype.onDragOver = function(evt) {
+ if (!this.dragged) {
+ return;
+ }
var target = getTargetedObject(evt);
- if (!target) {return;}
- while(target.className !== 'slide') {
+ while(target && target.className !== 'slide') {
target = target.parentNode;
}
+ if (!target) {return;}
target = target.parentNode;
if (target !== this.dragged) {
target.classList.add('dragover');