(022)javascript_dom_children 

 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>DOM</title>
 6     <script type="text/javascript">
 7 
 8         window.onload = function() {
 9 
10             var ulNode = document.getElementById("myul");
11 
12             //children理解为兼容版的childNodes
13             var liNodeArr = ulNode.children;
14 
15             for(var i = 0; i < liNodeArr.length; i++)
16             {
17                 liNodeArr[i].style.background = "blue";
18             }
19         };
20         
21     </script>
22 </head>
23 
24 <body>
25     <ul id="myul">
26         <li>aaa</li>
27         <li>bbb</li>
28         <li>ccc</li>
29     </ul>
30 </body>
31 </html>

 

posted @ 2014-02-06 10:07  雪中飞雁  阅读(182)  评论(0)  编辑  收藏  举报