skinnynpale

'use strict';

function id(id) {
	return document.getElementById(id);
}

const timer = id('out');
let counter = 0;
const timeLeft = 3600;
const interval = setInterval(timeIt, 1000);
timer.innerHTML = convertSeconds(timeLeft - counter);

function convertSeconds(s) {
	let min = Math.floor(s / 60);
	let sec = s % 60;

	if (sec < 10) {
		sec = '0' + sec;
	}
	return min + ':' + sec;
}

function timeIt() {
	counter++;
	timer.innerHTML = convertSeconds(timeLeft - counter);

	if (counter == timeLeft) {
		clearInterval(interval);
	}
}