JSFiddle - React, Tailwind, and code Playground

by Nicolas PUJOL

HTML

<div id="timer"></div>

JavaScript

var endDateRebours = 86401;

function rebours(endDate) {
    var days = Math.floor(endDate/86400);
    endDate = endDate - (days * 86400);
    var hours =	endDate >= 3600 ? Math.floor(endDate/3600) : 0;
    endDate = endDate - (hours * 3600);
    var minutes = endDate >= 60 ? Math.floor(endDate/60) : 0;
    endDate = endDate - (minutes * 60);
    var seconds = endDate >= 0 ? endDate : 0;
    var formattedTime = days + ' jours ' + hours + ' heures ' + minutes + ' minutes ' + seconds + ' secondes';
    $('#timer').html(formattedTime);
}

setInterval(function() {
	rebours(endDateRebours--);
}, 1000);