If you're writing games with Unity, there's a good chance you'll be using Javascript, as they have implemented Mono/Javascript (with their own extensions) as on

If you're writing games with Unity, there's a good chance you'll be using Javascript, as they have implemented Mono/Javascript (with their own extensions) as one of the engine's main languages. Of course, DOM is utterly irrelevant here, just wanted to point out its use in games.