WeakMaps are key/value maps in which keys are objects.

Documentation

Specification

Specification link


Final published standard: Recommendation, Living Standard, Candidate Recommendation, or similar final form

Status in Chromium

Blink


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owner

Comments

Turned on by default in WebKit nightly. It was implemented behind a flag in Chrome 18, until it was turned on by default.

Last updated on 2020-11-09