<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> </style> <script src="http://apps.bdimg.com/libs/jquery/1.6.4/jquery.min.js"></script> <script> $(function () { $("#btn").click(function () { alert(1); }); }); </script> </head> <body> <input type="button" id="btn" value="btn"/> </body> </html>
原文：http://www.cnblogs.com/gyz418/p/5558240.html