<!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" xml:lang="en">
<head>
<title>豪情</title>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<style type="text/css">
#test{width:100px;height:100px;border:1px solid #ccc;background:#eee;display:none;}
</style>
</head>
<body>
<div id="test">this is a</div>
<input type="button" value="test-btn" id="btn" onclick="show('obj')" />
<script type="text/javascript">
var $ = function(id){ return document.getElementById(id); };
var obj = $('test'), btn = $('btn');
var show = function(id){$(id).style.display = 'block'; }
var hide = function(id){$(id).style.display = 'none'; }
btn.onclick = function(){
show('test');
}
setInterval(function(){hide('test')}, 3000);
</script>
</body>
</html>
本文转自豪情博客园博客，原文链接：http://www.cnblogs.com/jikey/archive/2010/11/10/1874227.html，如需转载请自行联系原作者
