Intl.NumberFormat.prototype.resolvedOptions()
The resolvedOptions()
method of Intl.NumberFormat
instances returns a new object with properties reflecting the locale and number formatting options computed during initialization of this Intl.NumberFormat
object.
Try it
Syntax
js
resolvedOptions()
Return value
A new object with properties reflecting the locale and number formatting options computed during the construction of the given Intl.NumberFormat
object.
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 provided for this properties in the
options
argument, if present, or the value requested using the Unicode extension key"nu"
or filled in as a default. notation
-
The value provided for this property in the
options
argument, if present, or"standard"
filled in as a default. compactDisplay
-
The value provided for this property in the
options
argument, or"short"
filled in as a default. This property is only present if thenotation
is set to "compact". signDisplay
-
The value provided for this property in the
options
argument, or"auto"
filled in as a default. useGrouping
-
The value provided for the useGrouping property in the constructor
options
argument or the default value ("auto"
). currency
,currencyDisplay
-
The values provided for these properties in the
options
argument or filled in as defaults. These properties are only present ifstyle
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 neitherminimumSignificantDigits
normaximumSignificantDigits
was provided in theoptions
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 theoptions
argument.
Examples
Using the resolvedOptions
method
js
const de = new Intl.NumberFormat("de-DE");
const usedOptions = de.resolvedOptions();
usedOptions.locale; // "de-DE"
usedOptions.numberingSystem; // "latn"
usedOptions.notation; // "standard"
usedOptions.signDisplay; // "auto"
usedOptions.style; // "decimal"
usedOptions.minimumIntegerDigits; // 1
usedOptions.minimumFractionDigits; // 0
usedOptions.maximumFractionDigits; // 3
usedOptions.useGrouping; // true
Specifications
Specification |
---|
ECMAScript Internationalization API Specification # sec-intl.numberformat.prototype.resolvedoptions |
Browser compatibility
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