Intl.getCanonicalLocales()

The Intl.getCanonicalLocales() method returns an array containing the canonical locale names. Duplicates will be omitted and elements will be validated as structurally valid language tags.

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Syntax

Intl.getCanonicalLocales(locales)

Parameters

locales

A list of String values for which to get the canonical locale names.

Return value

An array containing the canonical locale names.

Examples

Using getCanonicalLocales

Intl.getCanonicalLocales('EN-US'); // ["en-US"]
Intl.getCanonicalLocales(['EN-US', 'Fr']); // ["en-US", "fr"]

Intl.getCanonicalLocales('EN_US'); 
// RangeError:'EN_US' is not a structurally valid language tag

Polyfill

formatjs Intl.getCanonicalLocales polyfill

Specifications

Browser compatibility

See also

• Intl.NumberFormat.supportedLocalesOf()
• Intl.DateTimeFormat.supportedLocalesOf()
• Intl.Collator.supportedLocalesOf()