获得视频的当前网络状态 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>蜜蜂教程(mifengjc.com)</title>
</head>
<body>

  <video id="myVideo" width="320" height="240" controls autoplay>
  <source src="/examples/movie.mp4" type="video/mp4">
    <source src="/examples/movie.ogg" type="video/ogg">
    您的浏览器不支持 video 标签。
</video><br>
  <p>点击按钮获取视频的网络状态。</p>
  <p id="demo"></p>
  <button onclick="myFunction()">点我</button>
  <script>
    function myFunction() {
      var x = document.getElementById("myVideo").networkState;
      document.getElementById("demo").innerHTML = x;
    }
  </script>

</body>
</html>
        