How we built it

WeakSet (ES6)

ES6 WeakSets are sets of arbitrary JavaScript objects, that hold on to their keys weakly

Documentation

Specification

Established standard

Status in Chromium

Enabled by default in:

  • Chrome for desktop release 36
  • Opera release 23
  • Opera for Android release 23

Consensus & Standardization

Last updated on 2016-01-27