YouTube视频代码总结

 var tag = document.createElement('script');
 tag.src = "https://www.youtube.com/iframe_api";
 var firstScriptTag = document.getElementsByTagName('script')[0];
 firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

 var player;
 function onYouTubeIframeAPIReady() {
   player = new YT.Player('player', {
     height: '390',
     width: '640',
     videoId: 'M7lc1UVf-VE',
     playerVars: {
       hl: 'ja_JP',
       loop:0,
       vq:'large',//有时拖拽时, 总是在加载, 但不能播放(IE)
       rel: 0,
       '*origin': '',
       wmode:'transparent'
     },
     events: {
       'onReady': onPlayerReady,
       'onStateChange': onPlayerStateChange
     }
   });
 }

 function onPlayerReady(event) {
   event.target.playVideo();
 }

 //有时点击重新播放, 视频无反应, 处理(IE)
 function onPlayerStateChange(event) {
   if (event.data===YT.PlayerState.ENDED) {
     event.target.cueVideoById(event.target.getVideoData().video_id);
   }
 }

 //如果是弹出层显示的YouTube视频, 在关闭时的处理
 if(player.pauseVideo){
   player.pauseVideo();//html5
 } else{
   player._stop = true;//flash(IE9等)
 }