//Bro codes approach, probably better, since transforming less.

let count = 0;

document.getElementById("countDownButton").onclick = function() {
    count--;
    document.getElementById("counter").innerHTML = count;
}

document.getElementById("resetButton").onclick = function() {
    count = 0;
    document.getElementById("counter").innerHTML = count;
}

document.getElementById("countUpButton").onclick = function() {
    let i = Number.parseInt(document.getElementById("counter").innerHTML);
    count++;
    document.getElementById("counter").innerHTML = count;
}