https://brainhack-marseille.github.io/assets/js/countdown.js

1/**
2* Template Name: ComingSoon
3* Updated: Jul 27 2023 with Bootstrap v5.3.1
4* Template URL: https://bootstrapmade.com/comingsoon-free-html-bootstrap-template/
5* Author: BootstrapMade.com
6* License: https://bootstrapmade.com/license/
7*/
8(function() {
9  "use strict";
10
11  /**
12   * Easy selector helper function
13   */
14  const select = (el, all = false) => {
15    el = el.trim()
16    if (all) {
17      return [...document.querySelectorAll(el)]
18    } else {
19      return document.querySelector(el)
20    }
21  }
22
23  /**
24   * Countdown timer
25   */
26  let countdown = select('.countdown');
27  const output = countdown.innerHTML;
28
29  const countDownDate = function() {
30    let timeleft = new Date(countdown.getAttribute('data-count')).getTime() - new Date().getTime();
31
32    let days = Math.floor(timeleft / (1000 * 60 * 60 * 24));
33    let hours = Math.floor((timeleft % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
34    let minutes = Math.floor((timeleft % (1000 * 60 * 60)) / (1000 * 60));
35    let seconds = Math.floor((timeleft % (1000 * 60)) / 1000);
36
37    countdown.innerHTML = output.replace('%d', days).replace('%h', hours).replace('%m', minutes).replace('%s', seconds);
38  }
39  countDownDate();
40  setInterval(countDownDate, 1000);
41
42})()