本文实例讲述了jquery实现的淡入淡出下拉菜单效果。分享给大家供大家参考。具体如下:
这是一款jQuery带有淡入淡出效果的下拉菜单,可作为一个下拉导航菜单的模板,移动鼠标到一级主菜单上看一看,在有包括二级子菜单的菜单项上悬停时,二级菜单渐变显示出来,兼容性也是很不错的,希望大家喜欢哈。
运行效果截图如下:
在线演示地址如下:
http://demo.phpstudy.net/js/2015/jquery-fade-in-out-menu-style-codes/
具体代码如下:
<!DOCTYPE html> <head> <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /> <title>jQuery下拉菜单效果</title> <style> body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td{margin:0; padding:0} table{border-collapse:collapse; border-spacing:0} fieldset, img{border:0} address, caption, cite, code, dfn, em, strong, th, var{font-style:normal; font-weight:normal} ol, ul{list-style:none} caption, th{text-align:left} h1, h2, h3, h4, h5, h6{font-size:100%; font-weight:normal} q:before, q:after{content:\'\'} abbr, acronym{border:0} :focus{outline:0} ins{text-decoration:none} del{text-decoration:line-through} a { color: #fff; text-decoration: none; } a:hover { text-decoration: underline; } a { color: black } #nav li { float: left; position: relative; } #nav li a { background: #d6cfbd; border: 3px solid #4f4026; color: #333; display: block; margin: 0 5px 0 0; padding: 5px 8px; } #nav li a:hover { background: #f7f7f7; text-decoration: none; } #nav { display: block; height: 35px; padding: 10px 0; width: 500px; z-index: 100; position: absolute;} #nav > li > a { border-top-left-radius: 10px; border-top-right-radius: 10px; -moz-border-radius-topleft: 10px; -moz-border-radius-topright: 10px; -webkit-border-top-left-radius: 10px; -webkit-border-top-right-radius: 10px;} #nav li ul { background: #e1ddd3; border: 3px solid #4f4026; color: #333; display: none; margin: -3px 0 0 0; width: 200px; position: absolute; } #nav li ul li { width: 100% } #nav li ul li a { background: none; border: none; line-height: 30px; margin: 0; padding: 0 0 0 5px; } #nav li ul li a:hover { background: #f7f7f7;} #nav li.current > a { background: #f7f7f7; } #nav li:hover > ul.child { display: block; } </style> <!--<script type=\'text/javascript\' src=\'http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js?ver=1.4.2\'></script>--> <script type=\'text/javascript\' src=\'jquery-1.6.2.min.js\'></script> <script type=\"text/javascript\"> $(document).ready(function(){ $(\"#nav ul.child\").removeClass(\"child\"); $(\"#nav li\").has(\"ul\").hover(function(){ $(this).addClass(\"current\").children(\"ul\").fadeIn(); }, function() { $(this).removeClass(\"current\").children(\"ul\").hide(); }); }); </script> </head> <body> <div id=\"page-wrap\"> <div id=\"content\"> <h2>jQuery sub-navigation with CSS fall-back</h2> <ul id=\"nav\"> <li><a href=\"#\">网站主页</a></li> <li><a href=\"#\">开源源码</a> <ul class=\"child\"> <li><a href=\"#\">PHP源码</a></li> <li><a href=\"#\">ASP源码</a></li> <li><a href=\"#\">JSP源码</a></li> <li><a href=\"#\">Ajax源码</a></li> </ul> </li> <li><a href=\"#\">服务</a> <ul class=\"child\"> <li><a href=\"#\">广告业务</a></li> <li><a href=\"#\">Installations</a></li> <li><a href=\"#\">Setups</a></li> </ul> </li> <li><a href=\"#\">关于我们</a></li> <li><a href=\"#\">Contact</a></li> </ul> </div> </div> </body> </html>
希望本文所述对大家的jquery程序设计有所帮助。
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