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jQuery implements black navigation menu code for mouseover background flipping

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2016-05-16 15:39:211309browse

This article mainly introduces the black navigation menu code for jQuery to achieve mouse-over background flipping. It involves the skills of jQuery mouse events combined with animate animation to achieve background flipping effects. It has certain reference value. Friends in need can refer to it

The example in this article describes the jQuery black navigation menu code that implements mouse-over background flipping. Share it with everyone for your reference. The details are as follows:

This is a black navigation menu menu with a mouse-over background flip implemented by jQuery. When previewing the effect, an error will be prompted in the lower left corner, and the effect cannot be seen. Refresh and you can see the effect. ; Of course, in actual use, such a problem will not occur.

A screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015 /jquery-mouse-over-bg-cha-black-nav-menu/

The specific code is as follows: 

<!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>导航菜单-鼠标悬停背景翻转的黑色jQuery菜单</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css">
.menu{height:41px;display:block;width:662px;}
.menu ul{list-style:none;padding:0;margin:0;}
.menu ul li{float:left;overflow:hidden;position:relative;text-align:center;height:38px;line-height:31px;*line-height:33px;background:url("images/tmenubg.png") repeat-x;}
.menu ul li a{position:relative;display:block;width:81px;height:31px;font-family:"Microsoft Yahei";font-size:12px;letter-spacing:1px;text-transform:uppercase;text-decoration:none;cursor:pointer;}
.menu ul li a span{position:absolute;left:0;width:81px;}
.menu ul li a span.out{top:0px;}
.menu ul li a span.over,.menu ul li a span.bg{top:-45px;}
#menu{position:absolute;margin:4px 0px 0px 295px;*margin:4px 0px 0px -185px;}
#menu ul li a{color:#fff;text-decoration:none;}
#menu ul li a span.over{color:#000;text-decoration:none;}
#menu ul li span.bg{height:32px;background:url("images/overbg.png") center center no-repeat;}
#menu .fl{background:url("images/lrbg.png") no-repeat;width:7px;height:38px;float:left;}
#menu .fr{background:url("images/lrbg.png") no-repeat -8px 0px;width:7px;height:38px;float:right;}
</style>
<script src="jquery1.3.2.js" type="text/javascript"></script>
<script language="javascript">
$(document).ready(function() {
 $("#menu li a").wrapInner( &#39;<span class="out"></span>&#39; ).append( &#39;<span class="bg"></span>&#39; );
 $("#menu li a").each(function() {
  $( &#39;<span class="over">&#39; + $(this).text() + &#39;</span>&#39; ).appendTo( this );
 });
 $("#menu li a").hover(function() {
  $(".out", this).stop().animate({&#39;top&#39;: &#39;45px&#39;}, 250); // move down - hide
  $(".over", this).stop().animate({&#39;top&#39;: &#39;0px&#39;}, 250); // move down - show
  $(".bg", this).stop().animate({&#39;top&#39;: &#39;0px&#39;}, 120); // move down - show
 }, function() {
  $(".out", this).stop().animate({&#39;top&#39;: &#39;0px&#39;}, 250); // move up - show
  $(".over", this).stop().animate({&#39;top&#39;: &#39;-45px&#39;}, 250); // move up - hide
  $(".bg", this).stop().animate({&#39;top&#39;: &#39;-45px&#39;}, 120); // move up - hide
 });
 $("#menu2 li a").wrapInner( &#39;<span class="out"></span>&#39; );
 $("#menu2 li a").each(function() {
  $( &#39;<span class="over">&#39; + $(this).text() + &#39;</span>&#39; ).appendTo( this );
 });
 $("#menu2 li a").hover(function() {
  $(".out", this).stop().animate({&#39;top&#39;: &#39;45px&#39;}, 200); // move down - hide
  $(".over", this).stop().animate({&#39;top&#39;: &#39;0px&#39;}, 200); // move down - show
 }, function() {
  $(".out", this).stop().animate({&#39;top&#39;: &#39;0px&#39;}, 200); // move up - show
  $(".over", this).stop().animate({&#39;top&#39;: &#39;-45px&#39;}, 200); // move up - hide
 });
});
</script>
</head>
<body>
<p class="clear"></p>
<p id="content">
 <p id="top">
 <p id="menu" class="menu">
 <p class="fl"></p>
 <p class="fr"></p>
 <ul>
 <li><a href="#">脚本之家</a></li>
 <li><a href="#">产品介绍</a></li>
 <li><a href="#">软件下载</a></li>
 <li><a href="#">商业授权</a></li>
 <li><a href="#">模板市场</a></li>
 <li><a href="#">脚本下载</a></li>
 <li><a href="#">交流论坛</a></li>
 <li><a href="#">脚本交流</a></li>
 </ul>
 </p>
 </p>
</p>
</body>
</html>

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