getLocaleEraNames
function
Retrieves Gregorian-calendar eras for the given locale.
getLocaleEraNames(locale: string, width: TranslationWidth): [string, string]
 Parameters
  locale  |  string |    A locale code for the locale format rules to use.  |  
  width  |  TranslationWidth |    The required character width.  |  
Returns
[string, string]: An array of localized era strings. For example, [AD, BC] for en-US.
See also
    © 2010–2020 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
    https://v8.angular.io/api/common/getLocaleEraNames