这是一款基于jquery实现动感漂浮导航菜单的特效代码，菜单可以上下浮动，动感十足，为自己的网站增加了活力，是一款非常实用的导航菜单特效源码。
运行效果图：
点击：下载源码
为大家分享的jquery动感漂浮导航菜单代码如下
<head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>jQuery Floating Menu</title> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.3.1.min.js"></script> <script type="text/javascript" src="https://www.jb51.net/js/jquery.easing.1.3.js"></script> <script> $(document).ready(function () { //get the default top value var top_val = $('#menu li a').css('top'); //animate the selected menu item $('#menu li.selected').children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); $('#menu li').hover( function () { //animate the menu item with 0 top value $(this).children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); }, function () { //set the position to default $(this).children('a').stop().animate({top:top_val}, {easing: 'easeOutQuad', duration:500}); //always keep the previously selected item in fixed position $('#menu li.selected').children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); } ); }); </script> <style> #menu { list-style:none; padding:0; margin:0 auto;; height:70px; width:600px; } #menu li { float:left; width:109px; height:inherit; position:relative; overflow:hidden; } #menu li a { position:absolute; top:20px; text-indent:-999em; background:url(menu.png) no-repeat 0 0; display:block; width:109px; height:inherit; /* fast png fix for ie6 */ position:relative; behavior: expression((this.runtimeStyle.behavior="none")&&(this.pngSet?this.pngSet=true:(this.nodeName == "IMG" && this.src.toLowerCase().indexOf('.png')>-1?(this.runtimeStyle.backgroundImage = "none", this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='image')", this.src = "transparent.gif"):(this.origBg = this.origBg? this.origBg :this.currentStyle.backgroundImage.toString().replace('url("','').replace('")',''), this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.origBg + "', sizingMethod='crop')", this.runtimeStyle.backgroundImage = "none")),this.pngSet=true)); } </style> </head> <body> <br/><br/><br/> <ul> <li><a href="#">Item 1</a></li> <li><a href="#">Item 2</a></li> <li><a href="#">Item 3</a></li> <li><a href="#">Item 4</a></li> <li><a href="#">Item 5</a></li> </ul> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>jQuery Floating Menu</title> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.3.1.min.js"></script> <script type="text/javascript" src="https://www.jb51.net/js/jquery.easing.1.3.js"></script> <script> $(document).ready(function () { //get the default top value var top_val = $('#menu li a').css('top'); //animate the selected menu item $('#menu li.selected').children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); $('#menu li').hover( function () { //animate the menu item with 0 top value $(this).children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); }, function () { //set the position to default $(this).children('a').stop().animate({top:top_val}, {easing: 'easeOutQuad', duration:500}); //always keep the previously selected item in fixed position $('#menu li.selected').children('a').stop().animate({top:0}, {easing: 'easeOutQuad', duration:500}); } ); }); </script> <style> #menu { list-style:none; padding:0; margin:0 auto;; height:70px; width:600px; } #menu li { float:left; width:109px; height:inherit; position:relative; overflow:hidden; } #menu li a { position:absolute; top:20px; text-indent:-999em; background:url(menu.png) no-repeat 0 0; display:block; width:109px; height:inherit; /* fast png fix for ie6 */ position:relative; behavior: expression((this.runtimeStyle.behavior="none")&&(this.pngSet?this.pngSet=true:(this.nodeName == "IMG" && this.src.toLowerCase().indexOf('.png')>-1?(this.runtimeStyle.backgroundImage = "none", this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='image')", this.src = "transparent.gif"):(this.origBg = this.origBg? this.origBg :this.currentStyle.backgroundImage.toString().replace('url("','').replace('")',''), this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.origBg + "', sizingMethod='crop')", this.runtimeStyle.backgroundImage = "none")),this.pngSet=true)); } </style> </head> <body> <br/><br/><br/> <ul> <li><a href="#">Item 1</a></li> <li><a href="#">Item 2</a></li> <li><a href="#">Item 3</a></li> <li><a href="#">Item 4</a></li> <li><a href="#">Item 5</a></li> </ul>