Intl.Locale class allows the following: Parsing and manipulating the language, region and script of a locale; Reading or writing the Unicode extension tags in a locale; Storing user locale preferences for this API in a serializable, standard format (rather than using a combination of language and the options object).


Specification link

Specification being incubated in a Community Group

Status in Chromium


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.

  • In development
  • No signal
  • No signals


Last updated on 2021-12-13