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js日期加減算天數(shù) JS計(jì)算時(shí)間差?

JS計(jì)算時(shí)間差?js計(jì)算兩個(gè)時(shí)間差天時(shí)分秒毫秒的代碼?var date1=new date(1980,01,01)//開(kāi)始時(shí)間var date2=new date()//結(jié)束時(shí)間//計(jì)算差異天數(shù)var

JS計(jì)算時(shí)間差?

js計(jì)算兩個(gè)時(shí)間差天時(shí)分秒毫秒的代碼?

var date1=new date(1980,01,01)//開(kāi)始時(shí)間var date2=new date()//結(jié)束時(shí)間//計(jì)算差異天數(shù)var days=數(shù)學(xué)地板(日期3/(24*3600*1000))//計(jì)算hours var leave1=date3%(24*3600*1000)//計(jì)算天數(shù)var hours=數(shù)學(xué)地板(leave1/(3600*1000))//計(jì)算差值minutes var leave2=leave1%(3600*1000)//計(jì)算小時(shí)數(shù)var minutes=數(shù)學(xué)地板(2/(60*1000))//計(jì)算相位差的秒數(shù)var leave3=leave2%(60*1000)//計(jì)算分鐘后剩余的毫秒數(shù)var seconds=數(shù)學(xué)圓(leave3/1000)]~]//在date類對(duì)象中添加date difference方法,返回date與diff參數(shù)date之間的時(shí)差,以天為單位日期原型差異=函數(shù)(日期){返回(這是我的時(shí)間() - 日期.getTime())/(24*60*60*1000)}//構(gòu)造兩個(gè)日期,分別是系統(tǒng)時(shí)間和2013/04/08 12:43:45 var now=new date()var date=new date(“2013/04/08 12:43:45”)//調(diào)用date difference方法,得到兩個(gè)日期之間的var differ天數(shù)參數(shù)日期和系統(tǒng)時(shí)間=差分(date)//打印日期差異預(yù)警(diff)