Javascript Volume Control

volume_control.html

<video src="https://cdn.brad.is/videos/curiosity.mp4" id="video" width="640" height="360" controls> </video>

  <script type="text/javascript">
    var video = document.getElementById('video');

    video.addEventListener("volumechange", function() {
      console.log('Volume changed.');
      console.log('Current volume: ' + video.volume);

      var set_volume = localStorage.setItem('wo14_vol', video.volume);
    });

    var t = window.setTimeout(function() {
      var get_volume = localStorage.getItem('wo14_vol');
      if (get_volume) video.volume = get_volume;
      video.play();
    }, 1000);
  </script>