(020)jquery_过滤选择器_first-child 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
  <head>
    <title>filter_firstchild.html</title>
    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
    <style type="text/css">
        ol
        {
            float: left;
            width: 180px;
        }
        ol li
        {
            float: left;
            width: 180px;
            height: 23px;
            line-height: 23px;
            margin: 2px 0px;
        }
    </style>
    <script type="text/javascript" src="../js/jquery/jquery190.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $("li:first-child").css("color","pink");
            $("li:last-child").css("color","blue");
        });
    </script>

  </head>
  
  <body>
        <h3>改变每个"蔬菜水果"中第一行的背景色</h3>
        <ol>
            <li>芹菜</li>
            <li>茄子</li>
            <li>萝卜</li>
            <li>大白菜</li>
            <li>西红柿</li>
        </ol>
        <ol>
            <li>橘子</li>
            <li>香蕉</li>
            <li>葡萄</li>
            <li>苹果</li>
            <li>西瓜</li>
        </ol>
  </body>
</html>

 

posted @ 2014-12-09 17:08  雪中飞雁  阅读(64)  评论(0)    收藏  举报