JavaScript/Jquery返回顶部代码
<!DOCTYPE html> <html> <head> <title>返回顶部</title> <meta charset="utf-8" /> <script type="text/javascript" src="jquery-1.8.2.js"></script> <style type="text/css"> body{ height:2000px; } #scrollTop{ position:fixed; width:36px; height:65px; bottom:100px; right:100px; text-align:center; background:url("images/7.png"); color:#FFF; font-size:12px; cursor:pointer; display:none; } #scrollTop:hover{ background-position:0px -66px; } </style> </head> <body> <div id="scrollTop"></div> <script type="text/javascript"> $(window).scroll(function(){ if($(window).scrollTop()<=100){ $("#scrollTop").fadeOut(1000); }else{ $("#scrollTop").fadeIn(1000); } }) $("#scrollTop").click(function(){ $('body,html').animate({scrollTop:0},500); }) </script> </body> </html>