WeakSet (ES6)

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

Documentation

• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet

Specification

Established standard

Status in Chromium

Blink components: Blink

Enabled by default in:

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

Consensus & Standardization

• Firefox: In development
• Edge: Shipped
• Safari: Shipped
• Web Developers: No signals

Last updated on 2017-06-14