let dayBox = document.getElementById("day-box");
let hrBox = document.getElementById("hr-box");
let minBox = document.getElementById("min-box");
let secBox = document.getElementById("sec-box");
let endDate = new Date(2022, 0, 1, 00, 00);
let endTime = endDate.getTime();
function countdown() {
let todayDate = new Date();
let todayTime = todayDate.getTime();
let remainingTime = endTime - todayTime;
let oneMin = 60 * 1000;
let oneHr = 60 * oneMin;
let oneDay = 24 * oneHr;
let addZeroes = (num) => (num < 10 ? `0${num}` : num);
if (endTime < todayTime) {
clearInterval(i);
document.querySelector(
".countdown"
).innerHTML = `
Countdown Has Expired
`;
} else {
let daysLeft = Math.floor(remainingTime / oneDay);
let hrsLeft = Math.floor((remainingTime % oneDay) / oneHr);
let minsLeft = Math.floor((remainingTime % oneHr) / oneMin);
let secsLeft = Math.floor((remainingTime % oneMin) / 1000);
dayBox.textContent = addZeroes(daysLeft);
hrBox.textContent = addZeroes(hrsLeft);
minBox.textContent = addZeroes(minsLeft);
secBox.textContent = addZeroes(secsLeft);
}
}
let i = setInterval(countdown, 1000);
countdown();