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: '100%',
      width: '100%',
      playerVars: { 'autoplay': 1, 'controls': 0, 'loop':1, 'playlist': 'PX9-us-1t4I', 'mute':1 ,'autohide':1, 'fs':1,'disablekb':1 },
      videoId: 'PX9-us-1t4I',
      events: {
        'onReady': onPlayerReady,
      }
    });
  }
  function onPlayerReady(event) {
    event.target.playVideo();
  }
  var done = false;
  function onPlayerStateChange(event) {
    if (event.data == YT.PlayerState.PLAYING && !done) {
      setTimeout(stopVideo, 6000);
      done = true;
    }
  }
  function stopVideo() {
    player.stopVideo();
    player.playVideo();
  }

  $('.ytp-large-play-button.ytp-button').trigger('click');

  $(function() {
        var video = $("#someVideo").get(0);

        fakeClick(function() {
          player.playVideo();
        });
    });