<html>
<head>
<script type="text/javascript">
function t(){
var nodep = document.createElement('p');//創建p節點
var art = document.createTextNode('你好，世界');//創建文本節點
var cont = document.getElementById('container');//獲取節點
cont.appendChild(nodep);//增加節點
nodep.appendChild(art);//增加文本節點
}
</script>
<style type="text/css">
p{width:100px;height:100px;background:green;}
#container p{width:100px;height:100px;background:blue;}
</style>
</head>
<body>
<div id="container"><p>hello world</p>
</div>
<p>說兩句吧</p>
<hr />
<button onclick="t()" value="">增加節點</button>
</body>
</html>
