The JSON.rawJSON() static method creates a "raw JSON" object containing a piece of JSON text. When serialized to JSON, the raw JSON object is treated as if it is already a piece of JSON. This text is required to be valid JSON.

The formatToParts() method of Intl.NumberFormat instances allows locale-aware formatting of strings produced by this Intl.NumberFormat object.

The formatRange() method of Intl.NumberFormat instances formats a range of numbers according to the locale and formatting options of this Intl.NumberFormat object.

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

The toString() method of RegExp instances returns a string representing this regular expression.

The RegExp.input static accessor property returns the string against which a regular expression is matched. RegExp.$_ is an alias for this property.

The RegExp.rightContext static accessor property returns the substring following the most recent match. RegExp["$'"] is an alias for this property.

The getWeekInfo() method of Intl.Locale instances returns a weekInfo object with the properties firstDay, weekend and minimalDays for this locale.

The baseName accessor property of Intl.Locale instances returns a substring of this locale's string representation, containing core information about this locale.

The hourCycle accessor property of Intl.Locale instances returns the hour cycle type for this locale.