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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery有動(dòng)畫(huà)淡出的二級(jí)折疊菜單代碼</title>
<SCRIPT src="jquery1.3.2.js" type=text/javascript></SCRIPT>
<SCRIPT>
$(function(){
 $("a").bind("focus",function(){if(this.blur)this.blur();});
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 $("#guest_info input,#comment_textarea textarea")
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 .blur( function () { $(this).css({borderColor:"#ccc"}) } );
 $("blockquote").append('<div class="quote_bottom"></div>');
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});
function changefc(color){
 document.getElementById("search_input").style.color=color;
}
/*dropdowm menu*/
var menu=function(){
 var t=15,z=50,s=6,a;
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  clearInterval(c.t); c.style.overflow='hidden';
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  var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
  c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
  c.style.height=h+(d*f)+'px'
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}();
</SCRIPT>
<style type="text/css">
a{text-decoration:none}
.menu ul{
 margin:0 0 0 10px;
 padding:0;
 display:none;
}
.menu ul li{
 height:22px;
 line-height:22px;
 border:none;
}
.menu ul li a{
 font-size:12px;
 font-weight:normal;
 color:#666;
}
.menu ul ul{
 position:absolute;
 z-index:3;
 background:#CC3366;
}
.menu ul ul li{text-indent:10px;padding-right:10px}
.menu ul ul li a{color:#fff}
</style>
</head>
<body>
 <ul class="menu" id="menu">
 <li><a href="#">一級(jí)菜單1</a>
 <ul>
 <li><a href="#">二級(jí)菜單1</a></li>
 <li><a href="#">二級(jí)菜單2</a></li>
 <li><a href="#">二級(jí)菜單3</a></li>
 <li><a href="#">二級(jí)菜單4</a></li>
 <li><a href="#">二級(jí)菜單5</a></li>
 <li><a href="#">二級(jí)菜單6</a></li>
 </ul>
 </li> 
 <li><a href="#">一級(jí)菜單2</a>
 <ul>
 <li><a href="#">二級(jí)菜單1</a>
  <ul>
  <li><a href="#">三級(jí)菜單1</a></li>
  <li><a href="#">三級(jí)菜單2</a></li>
  </ul>
 </li>
 <li><a href="#">二級(jí)菜單2</a></li>
 </ul>
 </li>
 </ul>
 <SCRIPT type=text/javascript> 
 var menu=new menu.dd("menu");
 menu.init("menu","menuhover");
</SCRIPT>
</body>
</html>

希望本文所述對(duì)大家jQuery程序設(shè)計(jì)有所幫助。

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