本文實例講述了jQuery實現帶延時功能的水平多級菜單效果。分享給大家供大家參考，具體如下：
運行效果圖如下：
具體代碼如下：
<!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實現的一款帶延時功能的水平多級菜單</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="#">主頁</a> </h2> <div> Latest news, special deals, and more... </div> </li> <li class="mega"> <h2> <a href="#">關于他</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="#">我是誰</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>完整實例代碼點擊此處本站下載。
更多關于jQuery相關內容感興趣的讀者可查看本站專題：《jQuery切換特效與技巧總結》、《jQuery擴展技巧總結》、《jQuery常用插件及用法總結》、《jQuery拖拽特效與技巧總結》、《jQuery表格(table)操作技巧匯總》、《jquery中Ajax用法總結》、《jQuery常見經典特效匯總》、《jQuery動畫與特效用法總結》及《jquery選擇器用法總結》
希望本文所述對大家jQuery程序設計有所幫助。
新聞熱點
疑難解答
