修改一下JQUERY的引用位置,就可以使用了。
<!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> <title>浮动广告</title> <style type="text/css"> #qqonline1{ background-color:#fff; border: 1px solid #ccc; position:absolute; top:100px; right:16px; width:100px; padding:10px 20px; } </style> <script src="jquery-1.3.2.min.js" type="text/javascript"></script> <script type="text/javascript"> $(this).scroll(function() { // 页面发生scroll事件时触发 var bodyTop = 0; if (typeof window.pageYOffset != 'undefined') { bodyTop = window.pageYOffset; } else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat') { bodyTop = document.documentElement.scrollTop; } else if (typeof document.body != 'undefined') { bodyTop = document.body.scrollTop; } $("#qqonline1").css("top", 100 + bodyTop) }); function jump(id) { $(id).scrollTop(0); return false; } </script> </head> <body><!-- 给BODY加个样式,让页面出现滚动条 --> <div id="arc1" style="height:1000px;"> <h3>arc1</h3> </div> <form id="form1" runat="server"> </form> <div id="arc2" style="height:1000px;"> <h3>arc2</h3> </div> <div id="arc3" style="height:1000px;"> <h3>arc3</h3> </div> <div id="qqonline1"> <a href="#arc1">ARTICLE1</a> <a href="#arc2">ARTICLE2</a> <a href="#arc3">ARTICLE3</a> </div> </body> </html>