jQuery网站常用小下拉菜单

网站顶部经常用到的小功能,jQuery+CSS打造的弹出层菜单

http://www.niutw.com/view/118.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery+CSS打造的弹出层菜单</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<style>
body,h1,h2,h3,h4,h5,h6,p,ul,li,dl,dt,dd{padding:0;margin:0;}
li{list-style:none;}img{border:none;}em{font-style:normal;}
a{color:#555;text-decoration:none;outline:none;blr:this.onFocus=this.blur();}
a:hover{color:#000;text-decoration:underline;}
body{font-size:12px;font-family:Arial,Verdana, Helvetica, sans-serif;word-break:break-all;word-wrap:break-word;}
.clear{height:0;overflow:hidden;clear:both;}
.UpLayer{ margin:100px;}
.UpLayer dl dt{width:50px;position:absolute; z-index:3;padding:0 5px;line-height:20px;}
.UpLayer02{border:#ccc 1px solid; border-bottom:none;background:#f1f1f1; margin:-1px 0 0 -1px;}
.UpLayer dl dd{ width:80px;position:absolute;z-index:2;border:#ccc 1px solid;padding:5px; line-height:20px; background:#f1f1f1; display:none; margin:19px 0 0 -1px;}
.UpLayer dl dd a{ display:block;border-bottom:#ccc 1px dashed;}
</style>
<script type="text/javascript">
$(document).ready(function(){
    var objStr = ".UpLayer";
    $(objStr).each(function(i){
        $(this).click(function(){
            $($(objStr+" dd")[i]).show();
            $($(objStr+" dt")[i]).addClass("UpLayer02");
        });
        $(this).hover(function(){},function(){
            $($(objStr+" dd")[i]).hide();
            $($(objStr+" dt")[i]).removeClass("UpLayer02");
        });    
    });
});
</script>
</head>
<body>
<!-- 【经典】弹出层菜单 -->
<div class="UpLayer">
    <dl>
        <dt><a href="javascript:void(0)">弹出层</a></dt>
        <dd>
            <a href="#">手机资讯</a>
            <a href="#">热门文章</a>
            <a href="#">联系站长</a>
            <a href="#">时光勿勿</a>
        </dd>
    </dl>    
</div><br><br>
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</body>
</html>

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