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    Intl.NumberFormat.prototype.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()

    Description

    Returns a new object with properties reflecting the locale and number formatting options computed during initialization of this NumberFormat object. The 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.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support 24 29 (29) 11 15 Not supported
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
    Basic support Not supported 26 Not supported
    bug 864843
    Not supported Not supported Not supported

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy, Norbert, fscholz, Mingun
    Last updated by: fscholz,