Allows the calendar and numbering system to be specified in the options object of the DateTimeFormat() and NumberFormat() constructors.

Motivation

A use case for these options are locals with two numbering systems or calendars. The user agent default may be the non-Western one, but in some contexts Western systems are more appropriate. Currently, applications need to parse the BCP 47 language tag. This feature makes it simpler for the developer.

Documentation

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink>JavaScript>Internationalization


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.

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Owners

Comments

shipped in m80

Last updated on 2021-12-13