So far, I have everything covered, except the health bar. How do I make an entity in my code, that will represent a bar, and when the opposing team selects a move, the health bar goes down?
Would I use a bunch of small div's?
I would recommend a HTML progress bar:
<progress id="health" value="100" max="100"></progress>
let health = document.getElementById("health") health.value -= 10; //Or whatever you want to do with it.