Json操作
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script src="Js/jquery-1.9.1.js"></script> <script type="text/javascript"> //公有变量 var Datas = {}; //点击事件 function checkMe(obj) { var key = $(obj).attr("value"); var keyInfo = $(obj).attr("info"); var isNot = true; for (var i in Datas) { if (i == key) { delete Datas[i]; isNot = false; } } if (isNot) { $(Datas).attr(key, keyInfo); } } //输出变量 function showInfo() { for (var i in Datas) alert(i); } //设置选中 function setCheck() { var argss = ["李四", "王五", "李三"]; $.each(argss, function (i, n) { var o = "input:checkbox[value=" + n + "]"; $(o).attr("checked", true); }); } </script> </head> <body> <input type="button" value="验证" onclick="showInfo()" /> <input type="button" value="设置" onclick="setCheck()" /> <div> <ul> <li> <input type="checkbox" value="李四" id="checkbox2" onclick="checkMe(this)" info='{"年龄":"22"}' /><label for="checkbox2">李四</label></li> <li> <input type="checkbox" value="王五" id="checkbox3" onclick="checkMe(this)" info='{"年龄":"33"}' /><label for="checkbox3">王五</label></li> <li> <input type="checkbox" value="赵六" id="checkbox4" onclick="checkMe(this)" info='{"年龄":"44"}' /><label for="checkbox4">赵六</label></li> <li> <input type="checkbox" value="李三" id="checkbox5" onclick="checkMe(this)" info='{"年龄":"22"}' /><label for="checkbox5">李三</label></li> </ul> </div> </body> </html>