It seems Microsoft has influenced JavaScript/ES v6 with their TypeScript intermediate language lead by Anders Hejlsberg. Given the vast TypeScript code based that MS wrote for SharePoint 365, Visual Studio Online/Code, etc. it seems more than logical. But, read on:

  BRENDAN [Eich (JavaScript creator)]: Again, TypeScript is 
  smart because it’s embracing and extending. Let’s hope 
  Microsoft doesn’t try to extinguish. That’s the third E.

  JAMISON:  [Laughs]

  BRENDAN:  I don’t think they will. I think they actually 
  bought into JavaScript at some level. And I’ve talked to 
  people like Anders Hejlsberg about this. 

But Brendan Eich answered to my thread by replying to a parent:

  ES6 and the Harmony agenda influenced TypeScript. Where 
  TS went its own way on things like open modules, MS has 
  promised to track the Ecma standard versions ASAP.
  In particular, TS classes were purely an extension to 
  ES6's design, while ES6 was not frozen. There was not 
  feedback the other way, at least not phrased in terms of 
  TS -- the MS folks on TC39 had to make more generalized 
  arguments for changing the draft ES6 spec. 

Maybe after more people know about Visual Studio Code some others share the "German angst" about their common business tactics a bit too. I would prefer if they don't turn JavaScript into C# Trojan horse style. Hopefully things have changed since Satya Nadella took over.

You can read the full thread there, it's just 3 days old: https://news.ycombinator.com/item?id=9442011