[pjmlp]

The difference being that Apple is quite vocal that Swift is the future of app development on their platforms, while Microsoft is trying to push UWP as the future of Windows apps (supported languages VB, C#, C++ and JavaScript).

[yawaramin]

UWP supports JavaScript? Cool, in that case a bunch of transpilers should work (once bindings are written) ... people can just use their preferred languages: OCaml/BuckleScript, F#/Fable, TypeScript, PureScript, et al.

I've actually written and run JScript scripts on Windows Script Host with BuckleScript, it's really nifty. You write strongly-typed code and get a JS artifact that can run on your target platform. For the curious, an example: https://github.com/yawaramin/wsh-bs-test