<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="js/jquery.js"></script> <script> $(function(){ $(‘#btnok‘).bind(‘click‘,function(){ $(‘img‘).each(function(i,item){ $(item).attr(‘src‘,‘images/00‘+(i+1)+‘.jpg‘); }); }); }); </script> </head> <body> <input type="button" id="btnok" value="each" /> <hr /> <img width="100" /> <img width="100" /> <img width="100" /> <img width="100" /> </body> </html>
原文：http://www.cnblogs.com/leigood/p/4922287.html