HTML 音频/视频 DOM muted 属性

HTML audio/video 标签参考手册 HTML 音频/视频 DOM 参考手册

关闭视频的声音：

代码
结果

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
</head>
<body>

  <button onclick="enableMute()" type="button">静音</button>
  <button onclick="disableMute()" type="button">启动音效</button>
  <button onclick="checkMute()" type="button">检查静音状态</button>
  <br>
  <video id="video1" controls="controls">
  <source src="/examples/mov_bbb.mp4" type="video/mp4">
  <source src="/examples/mov_bbb.ogg" type="video/ogg">
  您的浏览器不支持 HTML5 video  标签。
</video>

  <script>
    myVid = document.getElementById("video1");

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

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

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

  <p>Video courtesy of <a href="http://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p>

</body>
</html>