jQuery.alert

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<!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" />
<title>jquery div提示框渐隐弹出与隐藏</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<style>
*{margin:0;padding:0;font-size:12px;}
input{width:120px;height:30px;cursor:pointer;}
#note{position:absolute;width:400px;padding:20px;background:#eee;border:1px solid #ccc;left:40%;z-index:9999;display:none;}
</style>
<script>
$(function(){
$('input').click(function(){
if(!$('#note').is(':visible')){
$('#note').css({display:'block', top:'-100px'}).animate({top: '+100'}, 500, function(){
setTimeout(out, 300);
});
}
});
});
function out(){
$('#note').animate({top:'0'}, 500, function(){
$(this).css({display:'none', top:'-100px'});
});
}
</script>
</head>
<body>
<div id="note"><a href="http://www.jb51.net" target="_blank">脚本之家</a></div>
<input type="button" value="点我，30s后消失" />
</body>
</html>