Untitled

<!DOCTYPE html>
<html>
  <head>
    <title>test page</title>
  </head>

  <body>
    <h3>Test page</h3>
    <!-- 1. The <iframe> (and video player) will replace this <div> tag. -->
    <div id="points-container"><span id="points">0</span> of 750</div>
    <div id="player"></div>

    <script>
     var videoDuration = 0;

      // 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() {
        player = new YT.Player('player', {
          height: '390',
          width: '640',
          videoId: 'M7lc1UVf-VE',
          events: {
            'onReady': onPlayerReady,
            'onStateChange': onPlayerStateChange
          }
        });
      }

      // 4. The API will call this function when the video player is ready.
      function onPlayerReady(event) {
        event.target.playVideo();
      }

      var isCouting = false;
      function onPlayerStateChange(event) {
        if (event.data == YT.PlayerState.PLAYING) {
      videoDuration = player.getDuration();
          window.setInterval(logCurrentTimeVideo, 2000);
      isCounting = true;
        } else {
      isCounting = false;
    }
      }
      function logCurrentTimeVideo() {
    if (isCounting) {
      console.log(player.getCurrentTime());
      console.log(videoDuration);
      console.log((player.getCurrentTime()/videoDuration)*100 + "%");
      document.getElementById("points").innerHTML = "" + (Math.round((player.getCurrentTime()/videoDuration)*750));
    }
      }
    </script>
  </body>
</html>