​x
 
<!DOCTYPE html>
<html>
<body>
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<h3>演示如何创建 SOURCE 元素</h3>
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<p>点击按钮来创建两个 SOURCE 元素，并把它们添加到 AUDIO 元素。</p>
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<audio controls id="myAudio" autoplay>
Your browser does not support the audio tag.
</audio><br>
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<p id="demo"></p>
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<button onclick="myFunction()">试一下</button>
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<script>
function myFunction()
{
var x = document.createElement("SOURCE");
x.setAttribute("src", "/i/horse.mp3");
x.setAttribute("type", "audio/mpeg");
document.getElementById("myAudio").appendChild(x);
​
var y = document.createElement("SOURCE");
y.setAttribute("src", "/i/horse.ogg");
y.setAttribute("type", "audio/ogg");
document.getElementById("myAudio").appendChild(y);
document.getElementById("demo").innerHTML = "音频播放器可以工作了，点击播放按钮会听到一段声音。";
}
</script>
​
</body>
</html>
​