Web/JavaScript/Reference/Global objects/Intl/Collator/resolvedOptions

The Intl.Collator.prototype.resolvedOptions() method returns a new object with properties reflecting the locale and collation options computed during initialization of this Collator object.

Syntax

collator.resolvedOptions()

Return value

A new object with properties reflecting the locale and collation options computed during the initialization of the given Collator object.

Description

The resulting object 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.
usage

sensitivity
ignorePunctuation

The values provided for these properties in the options argument or filled in as defaults.
collation: The value requested using the Unicode extension key "co", if it is supported for locale, or "default".
numeric

caseFirst

The values requested for these properties in the options argument or using the Unicode extension keys "kn" and "kf" or filled in as defaults. If the implementation does not support these properties, they are omitted.

Examples

Using the resolvedOptions method

var de = new Intl.Collator('de', { sensitivity: 'base' })
var usedOptions = de.resolvedOptions();

usedOptions.locale;            // "de"
usedOptions.usage;             // "sort"
usedOptions.sensitivity;       // "base"
usedOptions.ignorePunctuation; // false
usedOptions.collation;         // "default"
usedOptions.numeric;           // false

Specifications

Specification

ECMAScript Internationalization API (ECMA-402)The definition of 'Intl.Collator.prototype.resolvedOptions' in that specification.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet	Node.js
`resolvedOptions`	Chrome Full support 24	Edge Full support 12	Firefox Full support 29	IE Full support 11	Opera Full support 15	Safari Full support 10	WebView Android Full support 4.4	Chrome Android Full support 25	Firefox Android Full support 56	Opera Android Full support 14	Safari iOS Full support 10	Samsung Internet Android Full support 1.5	nodejs Full support 0.12 Notes' Full support 0.12 Notes' Notes' Before version 13.0.0, only the locale data for `en-US` is available by default. See the `Collator()` constructor for more details.

Legend

Full support: Full support
See implementation notes.': See implementation notes.