index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>第一个 jQuery 程序</title> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="demo.js"></script> </head> <body> <input type="button" value="button" /> </body> </html>
demo.js
// JavaScript Document
$(function(){
$('input').click(function(){
alert('第一个 JQ 程序！');
});
});