<!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 input checked全选与反选1.3.2的版本</title> <script language="javascript" type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></script> <script language="javascript" type="text/javascript"> $.fn.checkCbx = function(){ return this.each(function(){ this.checked = !this.checked; }); } $(function(){ $("#btnSelect").click(function(){ this.value = this.value == "全选"?"反选":"全选"; $("input:checkbox").checkCbx(); }) }) </script> </head> <body> <form > <table border="1"> <tr> <th>选择</th> <th>id</th> <th>姓名</th> </tr> <tr> <td><input type="checkbox" name="cbx" /></td> <td>1</td> <td>学无止境</td> </tr> <tr> <td><input type="checkbox" name="cbx" /></td> <td>2</td> <td>csdn</td> </tr> <tr> <td><input type="checkbox" name="cbx" /></td> <td>3</td> <td>曾祥展</td> </tr> </table> <input id="btnSelect" type="button" value="全选" /> </form> </body> </html>