Earlier quoted context omitted.
challenge accepted (app #2, since #1 is just static), BEHOLD: const Counter = () => { let counter = 0; const updCounter = (delta) => { counter += delta; document.getElementById('count').innerText = `♥ ${counter}`; }; document.getElementById('up').addEventListener('click', () => updCounter(1)); document.getElementById('down').addEventListener('click', () => updCounter(-1)); updCounter(0); }; Counter(); *thumbs-up* *th…
Elements with an id are globals, so you do this (not that it's recommended): count.innerText = up.onclick = down.onclick = etc
Technically, every element that's not in the shadow DOM is a global. But yes, there's plenty of ways to implement this and an argument to had for most of them.