Youtube Iframe API

HTML

<div id="v"></div>
<!-- 1. The <iframe> (and video player) will replace this <div> tag. -->
<div id="player"></div>
<p><span id="play">Play</span><br />
      <span id="stop">Stop</span><br />
      <span id="pause">Pause</span></p>

CSS

.item {
          float: left;
        margin:2px;
        }
      #v {
        padding:5px;
        background: darkred;
        overflow:hidden;
      }

JavaScript

// 2. This code loads the IFrame Player API code asynchronously.
      var tag = document.createElement('script');

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

      // 3. This function creates an <iframe> (and YouTube player)
      //    after the API code downloads.
      var player;
      function onYouTubeIframeAPIReady() {
      console.log('start', new Date())
        player = new YT.Player('player', {
          height: '390',
          width: '640',
          videoId: 'TYkkWeOzlbM',
          events: {
            'onReady': onPlayerReady,
            
          }
        });
      }

      // 4. The API will call this function when the video player is ready.
      function onPlayerReady(event) {
      console.log('startready', new Date())
      player.mute();
        event.target.playVideo();
      }

      // 5. The API calls this function when the player's state changes.
      //    The function indicates that when playing a video (state=1),
      //    the player should play for six seconds and then stop.
      var done = false;
      function onPlayerStateChange(event) {
        console.log(YT.PlayerState);
        console.log('Change state:' + event.data);
        if (event.data == YT.PlayerState.PLAYING && !done) {
          setTimeout(stopVideo, 6000);
          done = true;
        }
        
        if(event.data == YT.PlayerState.ENDED) {
          alert('Video finished');
        }
      }
      function stopVideo() {
        player.stopVideo();
      }

      document.getElementById('play').onclick = function() {
        player.playVideo();
      }
      document.getElementById('stop').onclick = function() {
        player.stopVideo();
      }
      document.getElementById('pause').onclick = function() {
        player.pauseVideo();
      }
      
      var videos = ['TYkkWeOzlbM', '2oqsPt_3dNE',...