页面如下:
源码:
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <title>demo04.html</title>
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="this is my page">
- <meta http-equiv="content-type" content="text/html; charset=UTF-8">
- <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
- <script type="text/javascript" src="../js/jquery-1.9.1.js"></script>
- <script type="text/javascript">
- $(document).ready(function(){
- $("#ckbAll").click(function(){
- $("input[name='fav']").attr("checked",true);
- });
- $("#ckbno").click(function(){
- $("input[name='fav']").attr("checked",false);
- });
- $("#ckbrec").click(function(){
- $("input[name='fav']").each(function(){
- // $(this).attr("checked",!$(this).attr("checked"));
- this.checked=!this.checked;//用的是Dom的属性
- });
- });
- });
- </script>
- </head>
- <body>
- <div>
- <input type="checkbox" name="fav" value="看书1" checked="checked"/>看书1
- <input type="checkbox" name="fav" value="看书2" checked="checked"/>看书2
- <input type="checkbox" name="fav" value="看书3" checked="checked"/>看书3
- <input type="checkbox" name="fav" value="看书4" checked="checked"/>看书4
- </div>
- <div>
- <input type="button" id="ckbAll" value="全选"/><br/><br/>
- <input type="button" id="ckbno" value="全不选"/><br/><br/>
- <input type="button" id="ckbrec" value="反选"/><br/>
- </div>
- </body>
- </html>