检测屏幕分辨率

<!-- +++++++++++++++++检测屏幕分辨率++++++++++++++++++++++++++  -->
<script language="JavaScript"> <!-- Begin function redirectPage() { if ((screen.width == 640) && (screen.height == 480)) size = "640 x 480"; else if ((screen.width == 800) && (screen.height == 600)) size = "800 x 600"; else if ((screen.width == 1024) && (screen.height == 768)) size = "1024 x 768"; else size = "the default 640 x 480"; alert("经系统检测，你的屏幕分辨率为 " + size + "，你的显示器适于...."); } // End --> </script> <input type=button value="检测屏幕分辨率!" onClick="redirectPage()" name="button">
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]