第一个jquery实例 -￥作为函数功能前缀
代码
1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
2 "http://www.w3.org/TR/html4/loose.dtd">
3 <html>
4 <head>
5 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
6 <title>无标题文档</title>
7 <script src="jquery-1.4.2.min.js" type="text/javascript"></script>
8 <script language="javascript" type="text/javascript">
9 var sString = " 1234567890";
10 sString = $.trim(sString);
11 alert( sString.length);
12
13
14 </script>
15 </head>
16
17 <body>
18 </body>
19 </html>
20
2 "http://www.w3.org/TR/html4/loose.dtd">
3 <html>
4 <head>
5 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
6 <title>无标题文档</title>
7 <script src="jquery-1.4.2.min.js" type="text/javascript"></script>
8 <script language="javascript" type="text/javascript">
9 var sString = " 1234567890";
10 sString = $.trim(sString);
11 alert( sString.length);
12
13
14 </script>
15 </head>
16
17 <body>
18 </body>
19 </html>
20
以上主要实现去前后空格的方法。
