jQuery简洁下拉菜单导航特效代码

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以下是 jQuery简洁下拉菜单导航特效代码的示例演示效果:

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部分效果截图:

HTML代码(index.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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="keywords" content="JS代码,菜单导航,JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为jQuery简洁下拉菜单导航，属于站长常用代码" />
<title>jQuery简洁下拉菜单导航</title>
<link href="css/body.css" rel="stylesheet" media="screen" type="text/css" />
<link href="css/menu.css" rel="stylesheet" media="screen" type="text/css" />
</head>
<body>
<div>
<div id="all">

<h1>jQuery简洁下拉菜单导航</h1>

<p>Single-level Drop Down Menu based on jQuery library. See the source.</p>

  <script src="js/jquery.min.js" type="text/javascript"></script>
  <script type="text/javascript">
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

function jsddm_close()
{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function jsddm_timer()
{	closetimer = window.setTimeout(jsddm_close, timeout);}

function jsddm_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function()
{	$('#jsddm > li').bind('mouseover', jsddm_open);
	$('#jsddm > li').bind('mouseout',  jsddm_timer);});

document.onclick = jsddm_close;
  </script>
</p>

<ul id="jsddm">
	<li><a href="#">JavaScript</a>
		<ul>
			<li><a href="#">Drop Down Menu</a></li>
			<li><a href="#">jQuery Plugin</a></li>
			<li><a href="#">Ajax Navigation</a></li>
		</ul>
	</li>
	<li><a href="#">Effect</a>
		<ul>
			<li><a href="#">Slide Effect</a></li>
			<li><a href="#">Fade Effect</a></li>
			<li><a href="#">Opacity Mode</a></li>
			<li><a href="#">Drop Shadow</a></li>
			<li><a href="#">Semitransparent</a></li>
		</ul>
	</li>
	<li><a href="#">Navigation</a>
		<ul>
			<li><a href="#">Slide Effect</a></li>
			<li><a href="#">Fade Effect</a></li>
			<li><a href="#">Opacity Mode</a></li>
			<li><a href="#">Drop Shadow</a></li>
		</ul>
	</li>
	<li><a href="#">HTML/CSS</a>
		<ul>
			<li><a href="#">Slide Effect</a></li>
			<li><a href="#">Opacity Mode</a></li>
			<li><a href="#">Drop Shadow</a></li>
		</ul>
	</li>
	<li><a href="http://13141618.taobao.com/" target="_blank">Help</a></li>
</ul>
<div class="clear"> </div>

<br>

<p>
	<b>兼容:</b> IE6+, Firefox 1.5+, Opera 8+, Safari 3+, Chrome 0.2+<br>
	<b>大小:</b> &lt; 1Kb<br>
</div>
</div>
</body>
</html>

CSS代码(body.css):

/* common page styles */
body{background:#6595A3;padding:0 20px}
.clear{clear:both;overflow:hidden;height:0}
#all{width:80%;min-width:650px;margin:40px auto 0 auto;background:#FCFFED;padding:20px 35px}
h1{font:26px tahoma,arial;color:#324143}
p{font:12px tahoma,arial;color:#171F26;margin-bottom:25px}
a{color:#324143}
#copyright{width:80%;min-width:650px;margin:0 auto;padding:20px 35px;background:#B6C28B;font:12px tahoma,arial;color:#324143}
#copyright a{color:#324143}
#copyright a:hover{color:#171F26}

CSS代码(menu.css):

#jsddm{margin:0;padding:0}
#jsddm li{float:left;list-style:none;font:12px Tahoma,Arial}
#jsddm li a{display:block;background:#324143;padding:5px 12px;text-decoration:none;border-right:1px solid white;width:70px;color:#EAFFED;white-space:nowrap}
#jsddm li a:hover{background:#24313C}
#jsddm li ul{margin:0;padding:0;position:absolute;visibility:hidden;border-top:1px solid white}
#jsddm li ul li{float:none;display:inline}
#jsddm li ul li a{width:auto;background:#A9C251;color:#24313C}
#jsddm li ul li a:hover{background:#8EA344}

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