<audio id="myAudio" controls>

    <source src="/static/i/html/horse.ogg" type="audio/ogg">

    <source src="/static/i/html/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>

​