!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 meta http-equiv="Content-Type" content="text/html; charset=gb2312" / titlejquery 弹出公告/title script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"/scriptstyle *{margin:0;padding:0;font-size:12px;} li{float:left;width:100px;border:1px solid #ccc;list-style:none;text-align:center;} h3{margin:20px auto;text-align:center;} input{width:120px;height:30px;cursor:pointer;} #notice{position:absolute;width:400px;padding:20px;background:#eee;border:1px solid #ccc;left:10px;top:10px;display:none;} /style script $(function(){ $('#open').click(function(){ $('#notice').slideDown(); $('#texta').val('豪情').select(); }); $('#closed').click(function(){ $('#notice').slideUp(); }); }); /script/head body h3 input type="button" value="弹出公告" /input type="button" value="关闭公告" / /h3 div textarea name="" cols="30" rows="10"/div/body/html
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]