An object for setting up a display name.
MDN.
Returns an array containing those of the provided locales that are supported in display names without having to fall back to the runtime's default locale.
Optional locales: LocalesArgumentA string with a BCP 47 language tag, or an array of such strings.
For the general form and interpretation of the locales argument, see the Intl
page.
Optional options: { An object with a locale matcher.
Optional localeAn array of strings representing a subset of the given locale tags that are supported in display names without having to fall back to the runtime's default locale.
MDN.
A string with a BCP 47 language tag, or an array of such strings. For the general form and interpretation of the
localesargument, see the Intl page.