JS optional chaining operator

Adds support for 'optional chaining' to JS.


Editor's draft

Status in Chromium


Behind a flag (tracking bug) in:

  • Chrome for desktop release 80
  • Chrome for Android release 80

Consensus & Standardization

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


Intent to Implement url

Intent to Implement thread

Last updated on 2019-10-30