5.10

计时跳转：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <p>
        注册成功，<span id="time">5 </span>秒之后跳转到首页
    </p>
<script>
    let num = 5;  //定义方法
    function showTime(){
        num--; //改变秒数
        if(num<=0){
            location.href = "index.html"//跳转到首页
        }
        let span = document.getElementById("time");
        span.innerHTML = num ;
    }
    //设置循环定时器，每一秒执行一次showTime方法
    setInterval("showTime()",1000);
</script>
</html>

 

posted @ 2022-06-14 22:31  _Pi  阅读(74)  评论(0)    收藏  举报