关闭视频的声音 - 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>
  <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>
  <button onclick="enableMute()" type="button">静音</button>
  <button onclick="disableMute()" type="button">打开声音</button>
  <button onclick="checkMute()" type="button">查看静音状态</button>
  <script>
    var x = document.getElementById("myVideo");

    function enableMute() {
      x.muted = true;
    }

    function disableMute() {
      x.muted = false;
    }

    function checkMute() {
      alert(x.muted);
    }
  </script>

</body>
</html>
        