倒计时代码解析-优快云博客

本文链接：https://blog.youkuaiyun.com/Hayley_Liu/article/details/78489711

<!doctype html> 
<html> 
    <head> 
        <meta charset="utf-8"> 
    </head> 

    <body> 

        <DIV id="CountMsg" class="HotDate"> 
            <span id="t_d">00天</span> 
            <span id="t_h">00时</span> 
            <span id="t_m">00分</span> 
            <span id="t_s">00秒</span> 
        </DIV> 
        <script type="text/javascript">
            function getRTime() {
                var EndTime = new Date('2027/11/09 23:00:00'); //截止时间 
                var NowTime = new Date();
                var t = EndTime.getTime() - NowTime.getTime();
                /*var d=Math.floor(t/1000/60/60/24); 
                 t-=d*(1000*60*60*24); 
                 var h=Math.floor(t/1000/60/60); 
                 t-=h*60*60*1000; 
                 var m=Math.floor(t/1000/60); 
                 t-=m*60*1000; 
                 var s=Math.floor(t/1000);*/

                var d = Math.floor(t / 1000 / 60 / 60 / 24);
                var h = Math.floor(t / 1000 / 60 / 60 % 24);
                var m = Math.floor(t / 1000 / 60 % 60);
                var s = Math.floor(t / 1000 % 60);

                document.getElementById("t_d").innerHTML = d + "天";
                document.getElementById("t_h").innerHTML = h + "时";
                document.getElementById("t_m").innerHTML = m + "分";
                document.getElementById("t_s").innerHTML = s + "秒";
            }
            setInterval(getRTime, 1000);
        </script> 
    </body> 
</html>

倒计时简单实现