BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> <script src="//cdn.staticfile.net/jquery/1.4.2/jquery.min.js"></script> <script> $(document).ready(function(){ $("input").focus(function(){ $(this).css("background-color","#cccccc"); }); $("input").blur(function(){ $(this).css("background-color","#ffffff"); }); }); </script> </head> <body> Name: <input name="fullname" type="text"><br> Email: <input name="email" type="text"> </body> </html>
运行结果