倒计时.js

function getDouble(n){

   if(n > 9){

       return n;

   }else{

       return "0" + n;

function diffTime(startTime, endTime) {

    var dTime = endTime - startTime;

    var day,hour,minute,second;

    var interval =  dTime / 1000;

    second = getDouble(Math。floor(interval % 60));

    minute = getDouble(Math。floor(interval / 60 % 60));

    hour = getDouble(Math。floor(interval / 60 / 60 % 24));

    day = getDouble(Math。floor(interval / 60 / 60 / 24));

    if(dTime > 0) {

        return{

          day: day,

          hour: hour,

          minute: minute,

          second: second

      } else {

        return clearInterval(timeId);

      }
    }

var endTime = new Date(“2020-11-11 0:0:0”);

var day = document。querySelectir(“#day”);

var hour = document。querySelectir(“#hour”);

var minute = document。querySelectir(“#minute“);

var second = document。querySelectir(“#second“);

function countDown(){

  var startTime = new Date();

  var diffTime = diffTime(startTime,endTime);

  if = diffTime

      day。innerHTML = diffTime。day;

      hour。innerHTML = diffTime。hour;

      minute。innerHTML = diffTime。minute;

      second。innerHTML = diffTime。second;

countDown();

var timeId = setInterval(countDown, 1000);

 

 

<span id = "day">00</span>

<span id = "hour">00</span>

<span id = "minute">00</span>

<span id = "second">00</span>

 

posted @ 2020-03-16 13:21  花木兰r  阅读(93)  评论(0编辑  收藏  举报