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JavaScript Extending the Media Player

YUET LY
YUET LY
2,669 Points

CC and skip-back controls are not showing

CC and skip-back controls are not showing. What I'm missing?

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>HTML Video and Audio</title>

<link rel="stylesheet" href="css/normalize.css">
<link href='http://fonts.googleapis.com/css?family=Nunito:400,300' rel='stylesheet' type='text/css'>
<script src="js/jquery.js"></script>
<script src="js/mediaelement-and-player.min.js"></script>
<link href="css/mediaelementplayer.css" rel="stylesheet">
<script src="skip-back/skip-back.min.js"></script>
<script src="skip-back/skip-back-i18n.js"></script>
<link href="skip-back/skip-back.min.css" rel="stylesheet">
<link href="css/main.css" rel="stylesheet">

</head> <body>

<h1>HTML Video and Audio</h1>

<div class="wrapper">

  <h2>Video Example</h2>

  <div class="videoWrapper">
        <video width="852" height="480">
          <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge.mp4" type="video/mp4">
          <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge.ogg" type="video/ogg">
          <track label="English" kind="subtitles" srclang="en" src="bridge-captions.vtt" default>
        </video>
 </div>

  <h2>Audio Example</h2>

<div class="audioWrapper">
        <audio>
          <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge-audio.mp3" type="audio/mp3">
        </audio>
 </div>
</div>
<script>
$('video, audio').mediaelementplayer({
  features: ['playpause', 'tracks', 'progress', 'skipback'],
  startLanguage: 'en',
  skipBackInterval: 4
});
</script>

</body> </html>

Same.. :(