<html>
<body>
<object data="/demo/horse.wav">
<param id="myParam" name="autoplay" value="true">
</object>
<p>点击按钮返回参数 value 属性的值。</p>
<p id="demo"></p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction()
{
var x = document.getElementById("myParam").value;
document.getElementById("demo").innerHTML=x;
}
</script>
</body>
</html>