(function () {
const second = 1000,
minute = second * 60,
hour = minute * 60,
day = hour * 24;
//I'm adding this section so I don't have to keep updating this pen every year :-)
//remove this if you don't need it
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 = "09/30/",
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("days").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)
}());
