(012)jquery_过滤选择器_索引过滤 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
  <head>
    <title>f_html.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:eq(0)").css("background-color","green");
        });
    </script>
  </head>
  
  <body>
        <div>改变最后一行"苹果"背景颜色：</div>
        <ol>
            <li>葡萄</li>
            <li>香蕉</li>
            <li>橘子</li>
            <li>西瓜</li>
            <li>苹果</li>
        </ol>
  </body>
  
</html>

选取索引为0的li元素

posted @ 2014-12-08 15:03  雪中飞雁  阅读(59)  评论(0)    收藏  举报