script.js

const daysEl = document.getElementById('days')
const hoursEl = document.getElementById('hours')
const minsEl = document.getElementById('mins')
const secondsEl = document.getElementById('seconds')




const birthday = '7 Feb 2023'

function countdown() {
    const birthdayDate = new Date(birthday);
    const currentDate = new Date();

    const totalSeconds = (birthdayDate - currentDate) / 1000;

    const days = Math.floor(totalSeconds / 3600 / 24);
    const hours = Math.floor(totalSeconds / 3600) % 24;
    const mins = Math.floor(totalSeconds / 60) % 60;
    const seconds = Math.floor(totalSeconds) % 60;

    daysEl.innerHTML = days;
    hoursEl.innerHTML = hours;
    minsEl.innerHTML = mins;
    secondsEl.innerHTML = seconds;
}

//initial call
countdown();

setInterval(countdown, 1000);