jQuery_checkbox

<!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="jQueryNote/jquery-1.8.2.js" type="text/javascript"></script>     <script type="text/javascript">         //全选,全不选,反选         $(function () {             $(':button[value=全选]').click(function () {                 $(':checkbox').attr('checked', true);             });             $(':button[value=全不选]').click(function () {                 $(':checkbox').attr('checked', false);

            });             $(':button[value=反选]').click(function () {                 $(':checkbox').attr('checked', function () {                     $(this).attr('checked', !$(this).attr('checked'));                 });             });                  });         //        $(function () {         //            $('#btn').click(function () {         //                //                $(':checkbox:checked').each(function (k, v) {

        //                //                    alert($(this).val());         //                //                });

        //                //获取页面上所有的checkbox,设置value为2和4的checkbox为选中状态.         ////                alert($(':checkbox').val([2,4]));

        //               

        //            });         //        });     </script> </head> <body>     <input type="button" name="name" value="全选" id="btn" />     <input type="button" name="name" value="全不选" />     <input type="button" name="name" value="反选" />     <input type="checkbox" name="name" value="1" />1     <input type="checkbox" name="name" value="2" />2     <input type="checkbox" name="name" value="3" />3     <input type="checkbox" name="name" value="4" />4 </body> </html>

posted @ 2013-07-25 02:51  nqsan  阅读(138)  评论(0编辑  收藏  举报