点击哪个哪个加边框

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>点击过的加边框,再点击还原</title>
    <style>
        a{text-decoration:none; color:#666666;}
        #nav ul{ list-style:none; float:left; text-align:right; margin-top: 18px; line-height: 42px; margin-left: -2px;}
        #nav ul li{ font-family:"微软雅黑","宋体"; font-size:14px; font-style:normal; font-weight:bold; letter-spacing:4px;}
        #nav ul li a:hover{ color:#666666;border:1px solid #F00;}
        .navdown a{ border:1px solid #F00;}
    </style>
</head>
<body>
<div id="nav">
    <ul>
        <li class="navdown"><a href="#"><span>网站首页</span></a></li>
        <li><a href="#"><span>关于我们</span></a></li>
        <li><a href="#"><span>新闻资讯</span></a></li>
        <li><a href="#"><span>产品展示</span></a></li>
        <li><a href="#"><span>客户案列</span></a></li>
        <li><a href="#"><span>联系我们</span></a></li>
    </ul>
</div>
</body>
</html>
<script type="text/javascript" src="https://files.cnblogs.com/files/heyiming/jquery-2.1.4.min.js"></script>
<script type="text/javascript">
    $(function(){
        $("#nav li").click(function(){
            $("#nav li").eq($(this).index()).addClass("navdown").siblings().removeClass("navdown");
        })
    })
</script>

效果图:

posted @ 2017-03-06 16:46  贺小鸣  阅读(344)  评论(0编辑  收藏  举报
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