You may want to try the criminally underrated OCaml. It's fast, compiles to native code AND javascript, and has garbage collection (so no manual memory managem

You may want to try the criminally underrated OCaml. It's fast, compiles to native code AND javascript, and has garbage collection (so no manual memory management). As an added bonus, you can mix Haskell-like functional code and imperative code in a single function.