js实现网页同时进行多个倒计时功能

/**
*startime 应该是毫秒数
*/
 
var Alarm = function (startime, endtime, countFunc, endFunc) {
    this.time = Math.floor((endtime - startime) / 1000); //时间
    this.countFunc = countFunc; //计时函数
    this.endFunc = endFunc; //结束函数
    this.flag = 't' + Date.parse(new Date()); //
  };
Alarm.prototype.start = function () {
  var self = this;
 
  self.flag = setInterval(function () {
    if (self.time < 0) {
      clearInterval(self.flag);
      self.endFunc();
      console.log('计时结束');
    } else {
      var minute, hour, day, second;
      day = Math.floor(self.time / 60 / 60 / 24) < 10 "htmlcode">

var time1 = new Alarm(startime, endtime, countFunc, endFunc);
time1.start();
 
var time2 = new Alarm(startime, endtime, countFunc, endFunc);
time2.start();
...



调用示例：


var countTime = function () {
  var eles = $('.count_time'),
    len = eles.length;
  for (; len > 0; len--) {
    var ele = eles.eq(len - 1);
    (function (ele) {
      startTime = new Date(ele.attr('data-start-time')).getTime(),
          endTime = new Date(ele.attr('data-end-time')).getTime(),
          alarm = new Alarm(startTime, endTime, function (second, minute, hour, day) { //计时钟
            ele.text(hour + ':' + minute + ':' + second);
          }, function () { //倒计时结束
            ele.text('00:00:00');
            window.location.reload();
          });
      alarm.start();
    })(ele);
  }
};
countTime();




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