Intl.Locale info

The getter methods of the Intl.Locale API provide supplemental information about a Unicode locale, such as the locale's calendar (for example, the first day in a week or the weekend start day), writing direction, 12- or 24-hour cycles, and numbering system.

Baseline Status: Achieved Newly Available on Jul 21, 2026 across core engines.

Desktop Browser Engine Support

Google Chrome

130

Supported

Mozilla Firefox

153

Supported

Apple Safari

17

Supported

Microsoft Edge

130

Supported

Mobile Browser Engine Support

Chrome Android

130

Firefox Android

153

Safari iOS

17

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

javascript.builtins.Intl.Locale.getCalendars ↗ javascript.builtins.Intl.Locale.getCollations ↗ javascript.builtins.Intl.Locale.getHourCycles ↗ javascript.builtins.Intl.Locale.getNumberingSystems ↗ javascript.builtins.Intl.Locale.getTextInfo ↗ javascript.builtins.Intl.Locale.getTimeZones ↗ javascript.builtins.Intl.Locale.getWeekInfo ↗