本文實例講述了jQuery實現(xiàn)下滑菜單導航效果代碼。分享給大家供大家參考。具體如下：
這里演示jquery向下滑的導航菜單代碼，黃色風格下滑菜單，可作為網(wǎng)站的主導航菜單，二級菜單向下滑出，兼容性也是很不錯的，本菜單來源自網(wǎng)絡，丟失原作者署名信息，請原作者看到后與我們聯(lián)系署名。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/jquery-down-show-nav-menu-style-codes/
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=gb2312" /><style>html, body, ul, li, h1, h2, h3, h4, h5, h6, fieldset, legend {padding:0; margin:0;}body {font:12px/normal Verdana, Arial, Helvetica, sans-serif;}ul,li {list-style-type:none; text-transform:capitalize;}.clear {clear:both; *display:inline;/*IE only*/}#nav {margin:0 auto 60px; width:1080px; display:block;}#nav .jquery_out {float:left;line-height:32px;display:block; border-right:1px solid #fff; text-align:center; color:#fff;font:18px/32px; background:#062723 url(images/slide-panel_03.png) 0 0 repeat-x;}#nav .jquery_out .smile {padding-left:1em;}#nav .jquery_inner {margin-left:16px;}#nav .jquery {margin-right:1px;padding:0 2em;}#nav .mainlevel {background:#ffe60c; float:left; border-right:1px solid #fff; width:140px;/*IE6 only*/}#nav .mainlevel a {color:#000; text-decoration:none; line-height:32px; display:block; padding:0 20px; width:100px;}#nav .mainlevel a:hover {color:#fff; text-decoration:none; background:#062723 url(images/slide-panel_03.png) 0 0 repeat-x;}#nav .mainlevel ul {display:none; position:absolute;}#nav .mainlevel li {border-top:1px solid #fff; background:#ffe60c; width:140px;/*IE6 only*/}.log {text-align:center; color:skyblue; line-height:24px; text-transform:capitalize; margin:50px auto;}</style><script type="text/javascript" src="jquery-1.6.2.min.js"></script><script type="text/javascript">$(document).ready(function(){ $('li.mainlevel').mousemove(function(){ $(this).find('ul').slideDown();//you can give it a speed }); $('li.mainlevel').mouseleave(function(){ $(this).find('ul').slideUp("fast"); });});</script><title>jquery下拉豎導航菜單代碼</title></head><body><br /><br /><br /><br /><br /><br /><div id="menu"><ul id="nav"> <li class="jquery_out"> <div class="jquery_inner"> <div class="jquery"> <span class="text">let'jquery</span><span class="smile">^_^</span> </div> </div> </li> <li class="mainlevel" id="mainlevel_01"><a href="#" target="_blank">do touch me</a> <ul id="sub_01"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">slideUp</a></li> <li><a href="#" target="_blank">slideDown</a></li> <li><a href="#" target="_blank">animate</a></li> </ul> </li> <li class="mainlevel" id="mainlevel_02"><a href="#" target="_blank">do touch me</a> <ul id="sub_02"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">slideUp</a></li> <li><a href="#" target="_blank">slideDown</a></li> <li><a href="#" target="_blank">up and down</a></li> <li><a href="#" target="_blank">animate</a></li> </ul> </li> <li class="mainlevel" id="mainlevel_03"><a href="#" target="_blank">do touch me</a> <ul id="sub_03"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">animate</a></li> </ul> </li> <li class="mainlevel" id="mainlevel_04"><a href="#" target="_blank">do touch me</a> <ul id="sub_04"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">slideUp</a></li> <li><a href="#" target="_blank">slideDown</a></li> </ul> </li> <li class="mainlevel" id="mainlevel_05"><a href="#" target="_blank">do touch me</a> <ul id="sub_05"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">slideDown</a></li> <li><a href="#" target="_blank">up and down</a></li> <li><a href="#" target="_blank">animate</a></li> </ul> </li> <li class="mainlevel" id="mainlevel_06"><a href="#" target="_blank">do touch me</a> <ul id="sub_06"> <li><a href="#" target="_blank">JavaScript</a></li> <li><a href="#" target="_blank">jQuery</a></li> <li><a href="#" target="_blank">slideUp</a></li> <li><a href="#" target="_blank">slideDown</a></li> <li><a href="#" target="_blank">up and down</a></li> </ul> </li> <div class="clear"></div></ul></div><p align="center"></p><p align="center"><p align="center">jquery下拉豎導航菜單代碼，來源網(wǎng)絡，請原作者聯(lián)系我們署名。</p></p><p align="center"></p></body></html>希望本文所述對大家的jquery程序設計有所幫助。
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