// Set the date we're counting down to
(function () {
	const second = 1000,
		minute = second * 60,
		hour = minute * 60,
		day = hour * 24;
	let today = new Date(),
		dd = String(today.getDate()).padStart(2, "0"),
		mm = String(today.getMonth() + 1).padStart(2, "0"),
		yyyy = today.getFullYear(),
		nextYear = yyyy + 1,
		dayMonth = "10/20/",
		birthday = dayMonth + yyyy;

	today = mm + "/" + dd + "/" + yyyy;
	if (today > birthday) {
		birthday = dayMonth + nextYear;
	}
	//end

	const countDown = new Date(birthday).getTime(),
		x = setInterval(function () {
			const now = new Date().getTime(),
				distance = countDown - now;

			(document.getElementById("day").innerText = Math.floor(
				distance / day
			)),
				(document.getElementById("Hours").innerText = Math.floor(
					(distance % day) / hour
				)),
				(document.getElementById("Minutes").innerText = Math.floor(
					(distance % hour) / minute
				)),
				(document.getElementById("Seconds").innerText = Math.floor(
					(distance % minute) / second
				));

			//do something later when date is reached
			if (distance < 0) {
				document.getElementById("headline").innerText = "It's my birthday!";
				document.getElementById("countdown").style.display = "none";
				document.getElementById("content").style.display = "block";
				clearInterval(x);
			}
			//seconds
		}, 0);
})();