Sure, I worked with Elm before and I feel like they share the basics like immutability and types. Which makes a lot of sense, since Elm got very inspired by Haskell and Reason it's a syntax and a few beauties of OCaml.

A good intro (at least for me, since I'm into videotutorials) is https://egghead.io/courses/get-started-with-reason.

https://egghead.io/courses/get-started-with-reason