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.

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

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

Specifications

Specification Status Comment
ECMAScript Internationalization API 4.0 (ECMA-402)
The definition of 'Intl.getCanonicalLocales' in that specification.
Draft Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
Basic supportChrome Full support 54Edge Full support 16Firefox Full support 48IE No support NoOpera No support NoSafari Full support 11WebView Android No support NoChrome Android No support NoEdge Mobile No support NoFirefox Android Full support 56Opera Android No support NoSafari iOS Full support 11Samsung Internet Android No support Nonodejs No support No

Legend

Full support  
Full support
No support  
No support

See also

Document Tags and Contributors

Contributors to this page: wbamberg, fscholz, arai, nmve, Sebastianz, eduardoboucas
Last updated by: wbamberg,