<!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=utf-8" />
<title>无标题文档</title>
</head>
<body>
<div id="a" style="width:200px; height:200px; background:#C03" onclick="aa();">点击此处后五秒消失</div>
<script>
function aa(){
setTimeout("hide()",5000) // 这个是主要参数,设置消失的时间
}
function hide(){
document.getElementById('a').style.display='none'; //这个是操作DIV消失的命令
}
</script>
</body>
</html>