jQuery实现指定内容滚动同时左侧或其它地方不滚动的方法
本文实例讲述了jQuery实现指定内容滚动同时左侧或其它地方不滚动的方法。分享给大家供大家参考。具体如下:
本效果可实现左上角Logo的置顶但不滚动,而文字也就是网页主体区滚动,当用户拖动滚动条的时候可看到此效果,例子挺简单。
先看一下运行效果截图:
具体代码如下:
<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery跟随滚动的侧边条效果</title> <style> 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, 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%;font: inherit;vertical-align: baseline;} article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section{display: block;} body{line-height: 1;} 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;} a{text-decoration: none;} body{background: url("http://zsrimg.ikafan.com/file_images/article/201508/201588101650294.jpg") repeat scroll 0 0 transparent;font: 12px/20px "Helvetica Neue",Helvetica,Arial,sans-serif;} p{line-height: 24px;margin: 0 0 15px 0;color: #fff;} .header{color: #FFFFFF;font-size: 15em;height: 150px;letter-spacing: -10px;margin: 20px auto;clear: both;text-align: center;font-family: Georgia, "Times New Roman", Times, serif;} .italic{font-style: italic;} #sticky{margin-top: 50px;margin-left: 50px;padding: 5px;background: rgba(255,255,255,1);height: 120px;width: 305px;-webkit-border-radius: 7px;-moz-border-radius: 7px;border-radius: 7px;} #sticky: hover{background: #6c6c6c;background: rgba(54,54,54,0.80);} .sticky_text{color: #ffffff;text-align: center;font-size: 16px;line-height: 20px;padding-top: 10px;} #text, h1{color: #fff;margin: 0 auto;font-size: 1.2em;line-height: 23px;width: 500px;} h1,h2{font-weight: bold;line-height: 50px;} a{color: #e3e3e3;} a: hover{color: #ccc;} #container{width: 744px;} .menu{float: left;} .button{-moz-box-shadow: inset 0px 1px 0px 0px #ffffff;-webkit-box-shadow: inset 0px 1px 0px 0px #ffffff;box-shadow: inset 0px 1px 0px 0px #ffffff;background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #ededed), color-stop(1, #dfdfdf) );background: -moz-linear-gradient( center top, #ededed 5%, #dfdfdf 100% );filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#dfdfdf');background-color: #ededed;-moz-border-radius: 6px;-webkit-border-radius: 6px;border-radius: 6px;border: 1px solid #dcdcdc;display: inline-block;color: #777777;font-family: arial;font-size: 15px;font-weight: bold;padding: 6px 24px;text-decoration: none;text-shadow: 1px 1px 0px #ffffff;cursor: pointer;margin-top: 10px;} .button: hover{background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #ededed), color-stop(1, #cfcfc) );background: -moz-linear-gradient( center top, #ededed 5%, #cfcfcf 100% );filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#cfcfcf');background-color: #ededed;border: 1px solid #bbbbbb;} .button: active{background: -webkit-gradient( linear, left top, left bottom, color-stop(0.05, #dfdfdf), color-stop(1, #ededed) );background: -moz-linear-gradient( center top, #dfdfdf 5%, #ededed 100% );filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#dfdfdf', endColorstr='#ededed');background-color: #dfdfdf;} #download{margin-top: 50px;width: 400px;height: 100px;font-size: 72px;line-height: 100px;margin-right: 100px;margin-bottom: 50px;text-align: center;} </style> <script src="jquery-1.6.2.min.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function(){ var obj = $('#sticky'); var offset = obj.offset(); var topOffset = offset.top; var leftOffset = offset.left; var marginTop = obj.css("marginTop"); var marginLeft = obj.css("marginLeft"); $(window).scroll(function() { var scrollTop = $(window).scrollTop(); if (scrollTop >= topOffset){ obj.css({ marginTop: 0, marginLeft: leftOffset, position: 'fixed', }); } if (scrollTop < topOffset){ obj.css({ marginTop: marginTop, marginLeft: marginLeft, position: 'relative', }); } }); }); </script> </head> <body> <div id="sticky"> <div id="carbonads-container"> <div class="carbonad"> <div id="azcarbon"></div> <img src="http://www.jb51.net/images/logo.gif"/> </div> </div> </div> <div id="text"> <div class="header">d<span class="italic">w</span></div> <h1>Tutorial: Creating A Sticky Sidebar Using jQuery</h1> <p>DesignWoop welcomes this guest post by <a href="#">Alexandre Smirnov</a> a web designer and developer who lives and works in Cal-i-for-nia.</p> <h2><strong>Read the tutorial:</strong> <a href="#">Creating A Sticky Sidebar Using jQuery</a></h2> <p>Mattis parturient mus platea integer ut cursus diam turpis a scelerisque sit, scelerisque! 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希望本文所述对大家的jquery程序设计有所帮助。
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