JavaScript实现点击链接后延迟3秒跳转的方法

<html>
<head>
<title> jquery 延迟跳转</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<script type="text/javascript">
 function delayURL(url,time){
 setTimeout("top.location.href = '" + url + "'",time);
 }
</script>
</head>
<body>
<a href="#" onClick="delayURL('http://www.baidu.com/',3000)">点击到百度</a>
</body>
</html>