Structs
The Intl.Collator object is a constructor for collators, objects
that enable language sensitive string comparison.
The Intl.DateTimeFormat object is a constructor for objects
that enable language-sensitive date and time formatting.
The Intl.NumberFormat object is a constructor for objects
that enable language sensitive number formatting.
The Intl.PluralRules object is a constructor for objects
that enable plural sensitive formatting and plural language rules.
Functions
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.