Intl.numberFormat.resolvedOptions

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

Syntax

numberFormat.resolvedOptions()

Return value

A new object with properties reflecting the locale and number formatting options computed during the initialization of the given NumberFormat 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.

numberingSystem

The value requested using the Unicode extension key "nu" or filled in as a default.

style

useGrouping

The values provided for these properties in the options argument or filled in as defaults.

currency

currencyDisplay

The values provided for these properties in the options argument or filled in as defaults. These properties are only present if style is "currency".

Only one of the following two groups of properties is included:

minimumIntegerDigits

minimumFractionDigits

maximumFractionDigits

The values provided for these properties in the options argument or filled in as defaults. These properties are present only if neither minimumSignificantDigits nor maximumSignificantDigits was provided in the options argument.

minimumSignificantDigits

maximumSignificantDigits

The values provided for these properties in the options argument or filled in as defaults. These properties are present only if at least one of them was provided in the options argument.

Examples

Using the resolvedOptions method

var de = new Intl.NumberFormat('de-DE');
var usedOptions = de.resolvedOptions();

usedOptions.locale;                // "de-DE"
usedOptions.numberingSystem;       // "latn"
usedOption.style;                  // "decimal"
usedOptions.minimumIntegerDigits;  // 1
usedOptions.minimumFractionDigits; // 0
usedOptions.maximumFractionDigits; // 3
usedOptions.useGrouping;           // true

Specifications

Specification	Status	Comment
ECMAScript Internationalization API 1.0 (ECMA-402) The definition of 'Intl.NumberFormat.prototype.resolvedOptions' in that specification.	Standard	Initial definition.
ECMAScript Internationalization API 2.0 (ECMA-402) The definition of 'Intl.NumberFormat.prototype.resolvedOptions' in that specification.	Standard
ECMAScript Internationalization API 4.0 (ECMA-402) The definition of 'Intl.NumberFormat.prototype.resolvedOptions' in that specification.	Draft

Browser compatibility

See also

• Intl.NumberFormat