tryjsref_source_create 在线代码实例

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<!DOCTYPE html>
<html>
<body>
<p>点击按钮创建两个 SOURCE 元素，并把它们追加到 AUDIO 元素。</p>
<audio controls id="myAudio">
您的浏览器不支持 audio 标签。
</audio><br>
<p id="demo"></p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
var x = document.createElement("SOURCE");
x.setAttribute("src", "horse.mp3");
x.setAttribute("type", "audio/mpeg");
document.getElementById("myAudio").appendChild(x);
var y = document.createElement("SOURCE");
y.setAttribute("src", "horse.ogg");
y.setAttribute("type", "audio/ogg");
document.getElementById("myAudio").appendChild(y);
document.getElementById("demo").innerHTML = "音频播放器现在正常工作。点击播放会听到马叫声。";
}
</script>
</body>
</html>
 
 
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运行结果
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