输出页面中指定的标签 2
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></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="test17.js"></script> 17 </body> 18 </html>
1 var div = document.getElementById("div1"); 2 var walker = document.createTreeWalker(div, NodeFilter.SHOW_ELEMENT, null, false); 3 4 walker.firstChild(); 5 walker.nextSibling(); 6 7 var node = walker.firstChild(); 8 while (node !== null) { 9 console.log(node.tagName); 10 node = walker.nextSibling(); 11 }
IE9以下还是不兼容 NodeFilter 此代码
