1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
5 <title>Example</title>
6 </head>
7 <body>
8 <div id="div1">
9 <p><b>Hello</b> world!</p>
10 <ul>
11 <li>List item 1</li>
12 <li>List item 2</li>
13 <li>List item 3</li>
14 </ul>
15 </div>
16 <script type="text/javascript" src="test15.js"></script>
17 </body>
18 </html>
1 var div = document.getElementById("div1");
2 var iterator = document.createNodeIterator(div, NodeFilter.SHOW_ELEMENT, null, false);
3 var node = iterator.nextNode();
4 while (node !== null) {
5 console.log(node.tagName.toLowerCase()); //输出标签名
6 node = iterator.nextNode();
7 }