​

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',

          events: {

            'onReady': onPlayerReady,

            'onStateChange': onPlayerStateChange

          }

        });

      }

​

​

      function onPlayerReady(event) {

        event.target.playVideo();

      }

​

      function onPlayerStateChange(event) {

        if (event.data == YT.PlayerState.PLAYING) {

​

        } else {

        }

      }

function stopVideo() {

        player.stopVideo();

      }