[removed] function getRTime() { var EndTime = new Date("2020/01/01 00:00:00"); //截止时间 var NowTime = new Date(); var t = EndTime.getTime() - NowTime.getTime(); var d = Math.floor(t / 1000 / 60 / 60 / 24); var h = Math.floor(t / 1000 / 60 / 60 % 24); var m = Math.floor(t / 1000 / 60 % 60); var s = Math.floor(t / 1000 % 60); document.getElementById("t_d")[removed] = d + " 天"; document.getElementById("t_h")[removed] = h + " 时"; document.getElementById("t_m")[removed] = m + " 分"; document.getElementById("t_s")[removed] = s + " 秒"; } setInterval(getRTime, 1000); [removed]