<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>jquery浮动层</title> <script src="jquery-1.8.3.js"></script><!-- 注意修改引用路径 --> <style type="text/css"> #Float {height: 200px;width: 100px;position: absolute;top: 80px;right: 20px;} </style> </head> <script language="javascript"> $(document).ready(function(){ $(window).scroll(function (){ // 让浮动层距离窗口顶部，始终保持80px 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>
时间： 2024-08-29 11:45:54