It's an YouTube IFrame Player API wrapper for YUI.

1. Add YouTube Iframe API library to your webpage.

   <script type="text/javascript" src="//www.youtube.com/iframe_api"></script>

2. Sample code - config and player.

   var config = {
       "container": "#yt",  // HTML selector, it can be id, class or html tag name (like body)
       "size": ["1280px","780px"],  //width, height in px
       "hasControl": true,          //show control?
       "autoPlay": false,                   //auto play or not
       "url": "http://www.youtube.com/watch?v=faVCwOesYl8" //youtube url
   };
   var player = new Y.YoutubeIframe(config);

3. Play YouTube video with an existed player.

   player.play("http://www.youtube.com/watch?v=faVCwOesYl8");

4. Listen event

   player.on("ready", _handleReady);
   player.on("playing", function (e) {
       console.log(e.position + "/" + e.duration);
   });
   player.on("ended", _handleEnded);
   player.on("error", _handleError);

• YouTube Player API for Embedded Iframe