php-----留言板练习

留言板练习:

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>无标题文档</title>
 6 <script src="../jquery-1.11.2.min.js"></script>
 7 </head>
 8 
 9 <body>
10     <div id="nr">
11     </div>
12     <div>
13         内容:<textarea id="txt"></textarea>
14         <br />
15         <input type="button" value="提交" id="btn" />
16     </div>
17 </body>
18 <script type="text/javascript">
19 $(document).ready(function(e) {
20     $("#btn").click(function(){
21         
22         var nr = $("#txt").val();
23         
24         var str = nr+"<br>";
25         
26         $("#nr").append(str);
27         
28         })
29 });
30 </script>
31 </html>

显示结果:

posted @ 2016-06-28 12:35  辰辰0815  阅读(130)  评论(0编辑  收藏  举报