js倒计自动跳转 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    p{
      text-align: center;
    }
    span{
      color: red;
    }
  </style>
</head>
<body>
<p> <span id="aa">5</span>秒之后跳转。。。。。</p>
    <script>
        // var sj=document.getElementById("aa")
      var tiem =5;
      function du() {
        tiem --;
        if (tiem<=0){
          location.href = "https://baidu.com";
        }

       var sj =  document.getElementById("aa");
       sj.innerHTML =tiem;



      }
        setInterval(du,1000);
    </script>

</body>
</html>

 

posted @ 2022-11-13 16:11  小白学程  阅读(18)  评论(0)    收藏  举报