设置音频默认快速播放 - 在线编辑器

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

  <audio id="myAudio" controls>
  <source src="/examples/horse.ogg" type="audio/ogg">
  <source src="/examples/horse.mp3" type="audio/mpeg">
  您的浏览器不支持 audio 元素。
</audio><br>
  <button onclick="getPlaySpeed()" type="button">默认的播放速度？</button>
  <button onclick="setPlaySpeed()" type="button">设置音频快速播放</button>
  <script>
    var x = document.getElementById("myAudio");

    function getPlaySpeed() {
      alert(x.defaultPlaybackRate);
    }

    function setPlaySpeed() {
      x.defaultPlaybackRate = 2;
      x.load();
    }
  </script>

</body>
</html>
        