本浮動層基於jQuery1.6.2,對於研究1.6版本的jquery很有幫助意義。 <!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> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>jquery浮動層</title> <style type="text/css"> #Float {background-color: #000;height: 200px;width: 100px;position: absolute;top: 80px;right: 20px;} </style> </head> <script type="text/javascript" src="http://www.poluoluo.com/jslib/jquery/jquery-1.6.2.min.js"></script> <script language="javascript"> $(document).ready(function(){ $(window).scroll(function (){ var offsetTop = $(window).scrollTop() + 80 +"px"; $("#Float").animate({top : offsetTop },{ duration:500 , queue:false }); }); }); </script> <body> <div style="height:2000px;"></div> <div id="Float"></div> </body> </html> [Ctrl+A 全選 注:如需引入外部Js需刷新才能執行]