为什么节点值value结果都是undefined呢?
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>
<body>
<div>
javascript
<p>javascript</p>
<div>jQuery</div>
<h5>PHP</h5>
</div>
<script type="text/javascript">
var node=document.getElementsByTagName("div")[0].childNodes;
for(var i=0;i<node.length;i++)
{
document.write("[第"+(i+1)+"个节点]"+"<br/>"+"节点名:"+node[i].nodeName+"<br/>"+"节点类型:"+node[i].nodeType+"<br/>"+"节点值:"+node.nodeValue+"<br/>"+"<br/>")
}
</script>
</body>
</html>