JQuery学习(表单对象属性)---checked

 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

 <%

     String path = request.getContextPath();

     String basePath = request.getScheme() + "://"

             + request.getServerName() + ":" + request.getServerPort()

             + path + "/";

 %>

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

 <html>

 <head>

 <base href="<%=basePath%>">

 <title>My JSP 'jquery.jsp' starting page</title>

 <meta http-equiv="pragma" content="no-cache">

 <meta http-equiv="cache-control" content="no-cache">

 <meta http-equiv="expires" content="0">

 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

 <meta http-equiv="description" content="This is my page">

 <script type="text/javascript" src="/common/easyui/jquery.min.js"></script>

 <script type="text/javascript">

     $(document).ready(function(){

     $("input:checked").attr("checked",false);//取消已选中的复选框

     });

 </script>

 </head>

 <body>

 <form>

 <form>

   <input type="checkbox" name="newsletter" checked="checked" value="Daily" />

   <input type="checkbox" name="newsletter" value="Weekly" />

   <input type="checkbox" name="newsletter" checked="checked" value="Monthly" />

 </form>

 </form> 

 </body>

 </html>

　　　　　　　　效果图1-1

重点解释：

$("input:checked")：查找所有选中的复选元素框
注释：代码中取消勾选所有曾经选中的复选框。

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JQuery学习(表单对象属性)---checked

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