显示倒数几秒

2019独角兽企业重金招聘Python工程师标准>>>

   

    window.onload =function() {

       var i = 4;

      setInterval(function(){               

            if(i == 0) {

                    location.href = "http://www.baidu.com/";

                }

                document.getElementById("test").innerHTML = i--;

            },1000);

        };

   

  5秒后自动跳转

转载于:https://my.oschina.net/guomingliang/blog/301108