var day = document.querySelector('.day');
var hour = document.querySelector('.hour');
var minute = document.querySelector('.minute');
var second = document.querySelector('.second');
var setTime = +new Date('2022-11-20 18:00:00');//到期时间
var accountnumber = setInterval(function () {
    countDown();

}, 1000)
function countDown() {
    var now = +new Date();
    var times = (setTime - now) / 1000;
    var d = parseInt(times / 60 / 60 / 24); //天
    d = d < 10 ? '0' + d : d;
    var h = parseInt(times / 60 / 60 % 24); //时
    h = h < 10 ? '0' + h : h;
    var m = parseInt(times / 60 % 60); //分
    m = m < 10 ? '0' + m : m;
    var s = parseInt(times % 60); //秒
    s = s < 10 ? '0' + s : s;
    if (now >= setTime) {
        $(".timeout").show();
        day.innerHTML = "00";
        hour.innerHTML = "00";
        minute.innerHTML = "00";
        second.innerHTML = "00";
        clearInterval(accountnumber);

    } else {
        day.innerHTML = d;
        hour.innerHTML = h;
        minute.innerHTML = m;
        second.innerHTML = s;


    }


}