<html>
<body>
<audio id="myAudio" controls>
<source src="/demo/horse.ogg" type="audio/ogg">
<source src="/demo/horse.mp3" type="audio/mpeg">
您的浏览器不支持 audio 元素。
</source></source></audio><br>
<button onclick="enableControls()" type="button">启用 controls</button>
<button onclick="disableControls()" type="button">禁用 controls</button>
<button onclick="checkControls()" type="button">检测 controls 状态</button>
<script>
var x = document.getElementById("myAudio");
function enableControls()
{
x.controls = true;
x.load();
}
function disableControls()
{
x.controls = false;
x.load();
}
function checkControls()
{
alert(x.controls);
}
</script>
</body>
</html>