js倒计时组件

function countDownFun(option){ ???if (!option.countDownEle || !option.price || !option.endDate || !option.specialPriceEle ) return false; ???????this.countDownEle = option.countDownEle; ???//获得显示倒计时的元素 ???this.price = option.price; ???this.endDate = option.endDate; ???this.specialPriceEle = option.specialPriceEle; ???this.t = 0; ???}countDownFun.prototype = { ???init : function(){ ???????var nowTime = Date.parse(new Date()); ????????this.t = this.endDate - nowTime; ???}, ???getTimeDiff : function(){ ???????var shijiancha = this.t; ???????if (shijiancha > 0) { ???????????/*d=Math.floor(t/1000/60/60/24); ???????????h=Math.floor(t/1000/60/60%24); ???????????m=Math.floor(t/1000/60%60); ???????????s=Math.floor(t/1000%60);*/ ???????????var days ???= shijiancha / 1000 / 60 / 60 / 24; ???????????var daysRound ??= Math.floor(days); ???????????var hours ???= shijiancha/ 1000 / 60 / 60 - (24 * daysRound); ???????????var hoursRound ??= Math.floor(hours); ???????????var minutes ??= shijiancha / 1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound); ???????????var minutesRound ?= Math.floor(minutes); ???????????var seconds ??= shijiancha/ 1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound); ???????????//console.log(seconds); ???????????//console.log(oridays+‘-‘+hours+‘-‘+minutes+‘-‘+seconds); ???????????this.countDownEle.innerHTML = daysRound + "日" + hoursRound + "时" + minutesRound + "分" + seconds + "秒"; ???????????//this.countDownEle.html(this.t); ???????} else { ???????????clearInterval(this.timeObj); ???????????this.specialPriceEle.innerHTML = this.price;; ???????} ???}, ???????tick : function(){ ???????var self = this; ???????this.timeObj = setInterval(function(){ ???????????self.getTimeDiff(); ???????????self.t = self.t - 1000; ???????},1000); ???}}

var countDownArr = [];var oList = document.querySelectorAll(".video-price");var oListLength = oList.length;for (var x=0;x < oListLength;x++){ ???var option = { ???????????countDownEle : oList[x].querySelector(".countdown"), ???????????price: oList[x].getAttribute("price"), ???????????endDate : parseInt(oList[x].getAttribute("endDate")), ???????????specialPriceEle : oList[x].querySelector(".specialPrice"), ???} ???countDownArr[x] = new countDownFun(option); ???countDownArr[x].init(); ???countDownArr[x].tick();}