网页倒计时跳转JS代码

<span class="time"></span>

<script>

 var t = 60;   //60秒后跳转

 var time = document.getElementsByClassName("time")[0];

 function fun() {

  t--;

  time.innerHTML = t;

  if(t <= 0) {

   location.href = "https://www.baidu.com";  //跳转的网址

   clearInterval(inter);

  }

 }

 var inter = setInterval("fun()", 1000);

</script>