（一）：XHTML：
复制代码 代码如下:
<div>
<ul>
<li><a href="https://www.jb51.net/index.html">Home</a></li>
<li><a href="https://www.jb51.net/services.html">Services</a></li>
<li><a href="https://www.jb51.net/faq.html">FAQ</a></li>
<li><a href="https://www.jb51.net/testimonials.html">Testimonials</a></li>
<li><a href="https://www.jb51.net/about.html">About Alpacas</a></li>
<li><a href="https://www.jb51.net/contact.html">Contact Us</a></li>
</ul>
</div>
(二)：JQuery
复制代码 代码如下:
$(document).ready(function(){
$('#navigationMenu li .normalMenu').each(function(){
// create a duplicate hyperlink and position it above the current one
$(this).before($(this).clone().removeClass().addClass('hoverMenu'));
});
$('#navigationMenu li').hover(function(){
// we assign an action on mouse over
$(this).find('.hoverMenu').stop().animate({marginTop:'0px'},200);
// the animate method provides countless possibilities
},
function(){
// and an action on mouse out
$(this).find('.hoverMenu').stop().animate({marginTop:'-25px'},200);
});
});
(三）CSS
复制代码 代码如下:
/* Page styles */
body,h1,h2,h3,p,td,quote,small,form,input,ul,li,ol,label{
margin:0px;
padding:0px;
}
body{
margin-top:20px;
font-family:Arial, Helvetica, sans-serif;
color:#51555C;
height:100%;
font-size:12px;
}
/* Navigation menu styles */
ul{
height:25px;
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
}
ul li{
border:1px solid #444444;
display:inline-block;
float:left;
height:25px;
list-style-type:none;
overflow:hidden;
}
ul li a, ul li a:hover,
ul li a:visited{
text-decoration:none;
}
.normalMenu, .normalMenu:visited,
.hoverMenu, .hoverMenu:visited,
.selectedMenu,.selectedMenu:visited {
outline:none;
padding:5px 10px;
display:block;
}
.hoverMenu,.hoverMenu:visited,
.selectedMenu,.selectedMenu:visited {
margin-top:-25px;
background:url(img/grey_bg.gif) repeat-x #eeeeee;
color:#444444;
}
.selectedMenu,.selectedMenu:visited {
margin:0;
}
.normalMenu, .normalMenu:visited{
color:white;
background:url(img/dark_bg.gif) repeat-x #444444;
}
(四） 效果图
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