本文实例讲述了jQuery实现带延时功能的水平多级菜单效果。分享给大家供大家参考，具体如下：
运行效果图如下：
具体代码如下：
<!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=utf-8" />
<title>jquery实现的一款带延时功能的水平多级菜单</title>
<style type="text/css" media="screen">
/*<![CDATA[*/
body {
font-family: "Lucida Grande", "Lucida Sans Unicode", "Verdana", sans-serif;
font-size: 11px;
background: #fff;
color: #333;
}
h1, h2, h3, h4, h5, h6, p, ul, li {
font-size: 1em;
margin: 0;
padding: 0;
}
div#banner {
background: transparent url(images/mega.gif) top left no-repeat;
padding-top: 12px;
padding-bottom: 36px;
}
div#banner h1, div#menu h2 {
margin: 0;
padding: 0;
}
div#banner h1 a {
display: block;
width: 270px;
height: 120px;
}
div#banner h1 a span, div#banner .skip {
position: absolute;
top: -10000px;
left: -10000px;
}
ul#menu {
background: #940;
color: #fff;
margin: 0;
padding: 0.3em 0em;
}
ul#menu li {
display: inline;
margin: 0.1em 1em;
position: relative;
}
ul#menu h2, ul#menu h3 {
font-size: 100%;
font-weight: normal;
display: inline;
}
ul#menu li a {
color: #fff;
text-decoration: none;
padding: 0 0.4em;
}
ul#menu li a:hover {
text-decoration: underline;
}
ul#menu li.mega a {
background: transparent url(images/arrow1.gif) center right no-repeat;
padding: 0 1.2em;
}
ul#menu li.mega a:hover {
text-decoration: underline;
}
ul#menu div {
display: none;
}
ul#menu li.mega div {
border: 1px solid #dda;
width: 18em;
position: absolute;
top: 1.6em;
left: 0em;
padding: 1.3em;
background: #ffc;
color: #930;
}
ul#menu li.hovering div {
display: block;
}
ul#menu li.mega div a {
color: #300;
padding: 0;
background-image: none;
text-decoration: underline;
}
ul#menu li div a.more {
color: #390;
font-weight: bold;
}
ul#menu div h3 {
color: #f70;
font-weight: bold;
font-size: 1.1em;
}
ul#menu div p {
margin: 0 0 0.8em 0;
padding: 0;
}
/*]]>*/
</style>
<script src="jquery-1.7.2.min.js" type="text/javascript" charset="utf-8">
</script>
<script type="text/javascript" charset="utf-8">
(function($){$.fn.hoverIntent=function(f,g){var cfg={sensitivity:7,interval:100,timeout:0};cfg=$.extend(cfg,g?{over:f,out:g}:f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).unbind("mousemove",track);ob.hoverIntent_s=1;return cfg.over.apply(ob,[ev]);}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=0;return cfg.out.apply(ob,[ev]);};var handleHover=function(e){var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;while(p&&p!=this){try{p=p.parentNode;}catch(e){p=this;}}if(p==this){return false;}var ev=jQuery.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);}if(e.type=="mouseover"){pX=ev.pageX;pY=ev.pageY;$(ob).bind("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).unbind("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return this.mouseover(handleHover).mouseout(handleHover);};})(jQuery);
</script>
<script type="text/javascript" charset="utf-8">
//<![CDATA[
$(document).ready(function() {
function addMega(){
$(this).addClass("hovering");
}
function removeMega(){
$(this).removeClass("hovering");
}
var megaConfig = {
interval: 500,
sensitivity: 4,
over: addMega,
timeout: 500,
out: removeMega
};
$("li.mega").hoverIntent(megaConfig)
});
//]]>
</script>
</head>
<body>
<div id="banner">
<h1>
<a href="#"><span>Mega Shop</span></a>
</h1><a class="skip" href="#content">Skip navigation</a>
<ul id="menu">
<li>
<h2>
<a href="#">主页</a>
</h2>
<div>
Latest news, special deals, and more...
</div>
</li>
<li class="mega">
<h2>
<a href="#">关于他</a>
</h2>
<div>
<h3>
Menswear
</h3>
<p>
<a href="#">Shirts</a>, <a href="#">T-shirts</a>, <a href="#">Accessories</a>, <a href="#">More...</a>
</p>
<h3>
Gifts
</h3>
<p>
<a href="#">Sporting goods</a>, <a href="#">Gadgets</a>, <a href="#">More...</a>
</p>
<h3>
Clearance!
</h3>
<p>
40% off all photo accessories this weekend only. <a href="#">Don't miss out!</a>
</p><a href="#" class="more">More stuff for him...</a>
</div>
</li>
<li class="mega">
<h2>
<a href="#">我是谁</a>
</h2>
<div>
<h3>
Ladieswear
</h3>
<p>
<a href="#">Tops</a>, <a href="#">Pants</a>, <a href="#">Skirts</a>, <a href="#">T-shirts</a>, <a href="#">More...</a>
</p>
<h3>
Gifts
</h3>
<p>
<a href="#">Sporting goods</a>, <a href="#">Gadgets</a>, <a href="#">More...</a>
</p>
<h3>
Shop Now for Mother's Day!
</h3>
<p>
Earlybird Mother's Day specials. <a href="#">Shop early, save on shipping!</a>
</p><a href="#" class="more">More stuff for her...</a>
</div>
</li>
<li class="mega">
<a href="#">Stuff for kids</a>
<div>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
</div>
</li>
<li class="mega">
<a href="#">Stuff for pets</a>
<div>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
</div>
</li>
</ul>
</div>
<p>
<a id="content" name="content"></a>
</p>
</body>
</html>
完整实例代码点击此处本站下载。
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希望本文所述对大家jQuery程序设计有所帮助。
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时间： 2024-09-17 03:39:14