code: function(e){
  		if($(e.target).is('audio, video')){
  			var baseData = webshims.data(e.target, 'mediaelementBase');
  			if(baseData){
  				clearTimeout(baseData.updateTrackListTimer);
  				baseData.updateTrackListTimer = setTimeout(function(){
  					updateMediaTrackList.call(e.target, baseData);
  				}, 0);
  			}
  		}
  	}
docs: wsmediareload