<div id=
"timeB"
></div>
<script type=
"text/javascript"
>
function
countDown(endTime, startTime =
new
Date
()) {
let
date
= endTime - startTime;
let mmsec =
date
% 1000
let seconds = Math.
floor
(
date
/ 1000 % 60);
let minutes = Math.
floor
(
date
/ 1000 / 60 % 60);
let hour = Math.
floor
(
date
/ 1000 / 60 / 60 % 24);
let day = Math.
floor
(
date
/ 1000 / 60 / 60 / 24);
return
{
day: day
, hour: hour
, minutes: minutes
, seconds: seconds
, mmsec: mmsec
}
}
const
timeB = document.querySelector('#timeB');
setInterval(() => {
let time = countDown(
new
Date
(2016, 8, 1));
timeB.innerHTML =
"距离2016年9月1号00点还有"
+ time.day +
"天"
+ time.hour +
"小时"
+ time.minutes + '分钟' + time.seconds + '秒' + time.mmsec +
"毫秒"
;
}, 50);
</script>