<!DOCTYPE HTML>
<html>
<head>
<title>遍历节点树</title>
<meta charset="utf-8"/>
<script src="js/3_2.js"></script>
</head>
<body>
<span>Hello World !</span>
<ul id="nav">
<li>娱乐</li>
<li>电视剧
<ul>
<li>内地</li>
<li>韩剧</li>
<li>美剧</li>
</ul>
</li>
<li>电影</li>
</ul>
</body>
</html>
function getChildren(parent){
console.log(parent.nodeType==3?parent.nodeValue:parent.nodeName);
for(var i=0,len=parent.childNodes.length;i<len;i++){
console.log(parent.childNodes[i].nodeName);
getChildren(parent.childNodes[i])
}
}
window.onload=function(){
getChildren(document.body);
nodeType: 获得当前节点的类型，返回的是一个数字(专门判断不同节点类型)
ELEMENT_NODE: 1
TEXT_NODE: 3
ATTRIBUTE_NODE: 2
DOCUMENT_NODE: 9
时间： 2024-12-29 07:12:39