src/js/libs/spiritual-gui.js
function(arg) {
			return gui.TrackerPlugin.prototype._breakdown.call(this, arg).map(function(type) {
				return type === 'transitionend' ? this._transitionend() : type;
			}, this);
		}
function(arg) {
			return gui.TrackerPlugin.prototype._breakdown.call(this, arg).map(function(type) {
				return type === 'transitionend' ? this._transitionend() : type;
			}, this);
		}
function ( arg ) { return gui . TrackerPlugin . prototype . _breakdown . call ( this , arg ) . map ( function ( type ) { return type === 'transitionend' ? this . _transitionend ( ) : type ; } , this ) ; }
Manhandle 'transitionend' event. Seems only Safari is left now...
@param {Array<String>|String} arg
@returns {Array<String>}
Manhandle transitionend event . Seems only Safari is left now ...