JavaScript - get the complete list of locales supported by the browser

Question

I\'ve found supportedLocalesOf, but is there a way to get all supported locales, not just check which among a given list are supported?

The \'*\' tag option des

Answer 1

I looked at this a little bit, and did some testing use Chrome.

navigator.languages

This returns an array of supported languages. Initially mine was only en-Us and en, however I added Welsh, and it was returned.

Answer 2

The locale used and the form of the string returned are entirely implementation-dependen. It uses a string with a BCP 47 language tag. It is somehow still related to unicode locale.

You still can find the list of locales argument in Country Code list. But if some of the country code does not work, you can go UNICODE LOCALE DATA MARKUP LANGUAGE (LDML) to see the list of correct locales implemented there.

Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation