The Number.MIN_VALUE static data property represents the smallest positive numeric value representable in JavaScript.

The Number.MAX_VALUE static data property represents the maximum numeric value representable in JavaScript.

The add() method of Set instances inserts a new element with a specified value in to this set, if there isn't an element with the same value already in this set

The symmetricDifference() method of Set instances takes a set and returns a new set containing elements which are in either this set or the given set, but not in both.

The resolvedOptions() method of Intl.RelativeTimeFormat instances returns a new object with properties reflecting the locale and relative time formatting options computed during initialization of this Intl.RelativeTimeFormat object.

The formatToParts() method of Intl.RelativeTimeFormat instances returns an Array of objects representing the relative time format in parts that can be used for custom locale-aware formatting.

The toString() method of Intl.Locale instances returns this Locale's full locale identifier string.

The of() method of Intl.DisplayNames instances receives a code and returns a string based on the locale and options provided when instantiating this Intl.DisplayNames object.

The select() method of Intl.PluralRules instances returns a string indicating which plural rule to use for locale-aware formatting of a number.

The containing() method of Segments instances returns an object describing the segment in the string that includes the code unit at the specified index.