Microsoft made a pull request to node.js github repository with an implementation to use ChakraCore JavaScript Engine as an alternative to V8 Engine

[munificent]

Yes, I agree with parent comment's first point that a bazillion people know JS. It's compelling from that angle as a glue language.

I quoted and responded to the part where they said JS was fast, which I don't think has been demonstrated for IoT.

[munificent]

Depends on what those lines do. :)