日期:2014-05-16 浏览次数:20361 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <dl id="dl1"> <dt>aa</dt> <dd> <ul> <li>aaa</li> <li>bbb</li> </ul> <dd> <dt>bb</dt> <dd> <ul> <li>111</li> </ul> <dd> </dl> <script type="text/javascript"> var dl1 = document.getElementById('dl1'); var counter = 0; function showNode(pNode) { for(var i = 0; i < pNode.childNodes.length; i ++) { if (pNode.childNodes[i].nodeType == 1) { alert('找到子元素节点:' + pNode.childNodes[i].nodeName); counter ++; if (pNode.childNodes[i].childNodes.length > 0) showNode(pNode.childNodes[i]); } } } showNode(dl1); document.write('共有' + counter + '个元素节点'); </script> </body> </html>