用jQuery制作简单的注册成功后的跳转页面

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="/WEB03/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  function jump(count){
   window.setTimeout(function(){
    count--;
    if(count>0){
     $("#second").html(count);
     jump(count);
    }else{
     location.href="https://www.baidu.com";
    }
   },1000);
  }
  jump(5);
});
</script>
<title>Insert title here</title>
</head>
<body>
恭喜你注册成功！
<span id="second" style="color:red">5</span>
秒内自动跳转，如不跳转请点击
<a href="https://www.baidu.com">这里</a>
</body>
</html>