<!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></title> <script src="../Scripts/jquery-1.4.1.js" type="text/javascript"></script> <script src="../Scripts/jquery.cookie.js" type="text/javascript"></script> <script type ="text/javascript" > $(function () { $("#table1 td").click(function () { var bgcolor = $(this).css("background-color"); $("body").css("background-color", bgcolor); $.cookie("LastColor", bgcolor); }).css("cursor", "pointer"); if ($.cookie("LastColor")) { $("body").css("background-color", $.cookie("LastColor")); } }) </script> </head> <body> <table id ="table1"> <tr> <td style =" background-color :Red ">红色</td><td style =" background-color :Green " >绿色</td><td style =" background-color :Yellow " >黄色</td> </tr> </table> </body> </html>