Intl.DisplayNames.prototype.resolvedOptions()

The Intl.DisplayNames.prototype.resolvedOptions() method returns a new object with properties reflecting the locale and style formatting options computed during the construction of the current Intl/DisplayNames object.

Syntax

resolvedOptions()

Return value

An object with properties reflecting the locale and formatting options computed during the construction of the given Intl/DisplayNames object.

Description

The object returned by resolvedOptions() has the following properties:

locale
The BCP 47 language tag for the locale actually used. If any Unicode extension values were requested in the input BCP 47 language tag that led to this locale, the key-value pairs that were requested and are supported for this locale are included in locale.
style
The value provided for this property in the options argument of the constructor or the default value ("long"). Its value is either "long", "short", or "narrow".
type
The value provided for this property in the options argument of the constructor or the default value ("language"). Its value is either "language", "region", "script", or "currency".
fallback
The value provided for this property in the options argument of the constructor or the default value ("code"). Its value is either "code" or "none".

Examples

Using resolvedOptions

const displayNames = new Intl.DisplayNames(['de-DE'], {type: 'region'});

const usedOptions = displayNames.resolvedOptions();
console.log(usedOptions.locale);   // "de-DE"
console.log(usedOptions.style);    // "long"
console.log(usedOptions.type);     // "region"
console.log(usedOptions.fallback); // "code"

Specifications

Specification
ECMAScript Internationalization API Specification (ECMAScript Internationalization API)
# sec-Intl.DisplayNames.prototype.resolvedOptions

Browser compatibility

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See also