js setTimeout实现延迟关闭弹出层

<%@ 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> <script type="text/javascript"> var flyoutTimer; function mouseOutEvent() { //Hide flyout after 1 second when the mouse move out of the flyout zone flyoutTimer = setTimeout(hideFlyout, 1000); } function mouseOverEvent() { //Clear the timer when the mouse move over the flyout clearTimeout(flyoutTimer); } function hideFlyout() { document.getElementById("flyout").style.display = "none"; } function showFlyout() { document.getElementById("flyout").style.display = "block"; mouseOutEvent(); } </script> </head> <body> <form id="form1" runat="server"> Click me to show flyout This is a flyout </form> </body> </html>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]