src/third_party/mozjs/extract/js/src/builtin/intl/NumberFormat.js
/**
 * Returns the subset of the given locale list for which this locale list has a
 * matching (possibly fallback) locale. Locales appear in the same order in the
 * returned list as in the input list.
 *
 * Spec: ECMAScript Internationalization API Specification, 11.3.2.
 */
Returns the subset of the given locale list for which this locale list has a
matching (possibly fallback) locale. Locales appear in the same order in the
returned list as in the input list.

ECMAScript Internationalization API Specification, 11.3.2.
Returns the subset of the given locale list for which this locale list has a matching ( possibly fallback ) locale . Locales appear in the same order in the returned list as in the input list . ECMAScript Internationalization API Specification 11 . 3 . 2 .
function Intl_NumberFormat_supportedLocalesOf(locales ) {
    var options = arguments.length > 1 ? arguments[1] : undefined;
    var availableLocales = "NumberFormat";
    var requestedLocales = CanonicalizeLocaleList(locales);
    return SupportedLocales(availableLocales, requestedLocales, options);
}
function Intl_NumberFormat_supportedLocalesOf ( locales ) { var options = arguments . length > 1 ? arguments [ 1 ] : undefined ; var availableLocales = "NumberFormat" ; var requestedLocales = CanonicalizeLocaleList ( locales ) ; return SupportedLocales ( availableLocales , requestedLocales , options ) ; }
Returns the subset of the given locale list for which this locale list has a
 matching (possibly fallback) locale.
Returns the subset of the given locale list for which this locale list has a matching ( possibly fallback ) locale .
/*, options*/ // Step 1. // Step 2. // Step 3.