jQuery实现带延时功能的水平多级菜单效果【附d

<!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="https://www.jb51.net/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> <h1> <a href="#"><span>Mega Shop</span></a> </h1><a href="#content">Skip navigation</a> <ul> <li> <h2> <a href="#">主页</a> </h2> <div> Latest news, special deals, and more... </div> </li> <li> <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! 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