<html>
<body>
<p>点击按钮创建一个带有flash动画的 EMBED 元素。</p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
var x = document.createElement("EMBED");
x.setAttribute("src", "helloworld.swf");
document.body.appendChild(x);
};
</script>
</body>
</html>