Actually there is one more approach: https://pharojs.github.io/ https://pharojs.github.io/ Amber is interesting because of how it evolves and what it can do, l

Actually there is one more approach: https://pharojs.github.io/ https://pharojs.github.io/ Amber is interesting because of how it evolves and what it can do, like having real compiler producing JS as output. One can learn quite a bit by studying it. Tools have to be better and there are some limitations but still, an interesting experience.