Purescript compiles down to javascript but helps save programmers from themselves by introducing a better type system as well as great data structures, and functional paradigms
Typescript adds static typing and OOP
CoffeeScript...is syntactic sugar? (okay maybe I agree with the coffeescript sentiment)
Although I don't entirely agree that compiling a statically typed language into javascript really helps much, since the end result is still... javascript in a browser.
But the last time I tried to defend that I got almost universally disagreed with, so I'll concede that the process might have value I just don't see.
Purescript compiles down to javascript but helps save programmers from themselves by introducing a better type system as well as great data structures, and functional paradigms
Typescript adds static typing and OOP
CoffeeScript...is syntactic sugar? (okay maybe I agree with the coffeescript sentiment)