Native 64bit integers in Javascript

Question

It seems that even the newest Ecmascript 8 has no support for 64bit integers.

Currently we have to use libraries, like Long or UInt64 or Closure Library.

Is

Answer 1

Yes, it is. There's a stage 3 proposal for arbitrary-bigints (including enough to allow implementations to specialize fixed 64-bit use), so it's literally just waiting for implementations and tests at this point. Therefore, one can conclude that it's technically possible.