jQuery实现滑动页面固定顶部显示(可根据显示位置消失与替换)

本文实例讲述了jQuery实现滑动页面固定顶部显示(可根据显示位置消失与替换)。分享给大家供大家参考，具体如下：

这里介绍的jQuery拉动页面固定顶部显示，及自动消失效果，可能ie浏览器下有问题，不过火狐什么的都可以运行看效果，一个简单的网页特效，也是很常用的“回到顶部”效果，有兴趣的看一下。

运行效果截图如下：

在线演示地址如下：

http://demo.jb51.net/js/2015/jquery-fix-top-cha-show-codes/

具体代码如下：

html, body, div, span, applet, object, iframe,h1, h2, h3, h4, h5, h6, p, blockquote, pre,a, abbr, acronym, address, big, cite, code,del, dfn, em, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,b, u, i, center,dl, dt, dd, ol, ul, li,fieldset, form, label, legend, input,table, caption, tbody, tfoot, thead, tr, th, td,article, aside, canvas, details, embed,figure, figcaption, footer, header, hgroup,menu, nav, output, ruby, section, summary,time, mark, audio, video {margin: 0;padding: 0;border: 0;font-size: 100%;}
article, aside, details, figcaption, figure,footer, header, hgroup, menu, nav, section {display: block;float:left;}select, input, button,button img, label {vertical-align: middle;}body {font:normal 12px/1.5 "Microsoft Yahei","微软雅黑",Tahoma,Arial,Helvetica,STHeiti; webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased; color:#666;}ol, ul {list-style: none;}blockquote, q {quotes: none;}blockquote:before, blockquote:after,q:before, q:after {content: '';content: none;}table {border-collapse: collapse;border-spacing: 0;}em {font-style: normal}select, input, button, button img, label {vertical-align:middle;}input {font-family:"Microsoft Yahei","微软雅黑";webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased}input, input:focus, button, button:focus, select,textarea, textarea:focus {outline:none; -moz-outline:none; -webkit-outline:none; }input:focus { outline:none; -moz-outline:none; -webkit-outline:none; }textarea {resize:none;}a {color:#666; text-decoration:none;} a:hover {text-decoration:underline;}a:focus {outline:none; -moz-outline:none;-webkit-outline:none;}body {min-width: 960px;}




body{background:#e7e7e7;}
.clearfix:before, .clearfix:after, .container_24:before, .container_24:after {
 content: '.'; display: block; overflow: hidden; visibility: hidden; font-size: 0; line-height: 0; width: 0; height: 0;}
.clearfix:after, .container_24:after { clear: both; }
.Xc_main{width:750px;margin:0 auto;position:relative;}
.Xc_left{float:left;}
.Xc_left h1{font-size:24px;padding-top:25px;}
.Xc_right{float:right;width:600px;}
.Xc_right .Xc_list{margin:10px 0 10px 0;}
.Xc_list_top,.Xc_list_main{background:#fff;padding:10px;border:1px solid #ccc;}
.Xc_list_top{margin-bottom:10px;}
.Xc_gg{width:90px;height:90px;border:1px solid #ccc;background:#fff;text-align:center;}
.Xc_bottom{height:650px;background:#fff;padding:10px;border:1px solid #ccc;position:relative;}






 
 
  
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