There are plenty good languages today that compile to JS: Scala, OCaml, Clojure, just to name a few. And if you really like JS but want types, check out Faceboo

There are plenty good languages today that compile to JS: Scala, OCaml, Clojure, just to name a few. And if you really like JS but want types, check out Facebook Flow, it's better than Typescript even though it's not as popular.