<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SetTimeout.aspx.cs" Inherits="JavaScript.SetTimeout" %> <!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 runat="server"> <title></title> <style type="text/css"> #flyout { border: solid 2px Gray; background-color: #FFF999; width: 300px; height: 100px; display: none; } </style> </head> <body> </body> </html> [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]