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The toLocaleLowerCase() method of String values returns this string converted to lower case, according to any locale-specific case mappings.

The Symbol.unscopables static data property represents the well-known symbol Symbol.unscopables. The with statement looks up this symbol on the scope object for a property containing a collection of properties that should not become bindings within the with environment.

The matchAll() method of String values returns an iterator of all results matching this string against a regular expression, including capturing groups.

The Symbol.asyncIterator static data property represents the well-known symbol Symbol.asyncIterator. The async iterable protocol looks up this symbol for the method that returns the async iterator for an object. In order for an object to be async iterable, it must have an [Symbol.asyncIterator] key.

The Temporal.PlainTime.compare() static method returns a number (-1, 0, or 1) indicating whether the first time comes before, is the same as, or comes after the second time. It is equivalent to comparing the hour, minute, second, millisecond, microsecond, and nanosecond fields one by one.

The monthsInYear accessor property of Temporal.ZonedDateTime instances returns a positive integer representing the number of months in the year of this date. It is calendar-dependent.

The dayOfWeek accessor property of Temporal.ZonedDateTime instances returns a positive integer representing the 1-based day index in the week of this date. Days in a week are numbered sequentially from 1 to daysInWeek, with each number mapping to its name. It is calendar-dependent.

The inLeapYear accessor property of Temporal.ZonedDateTime instances returns a boolean indicating whether this date is in a leap year. A leap year is a year that has more days (due to a leap day or leap month) than a common year. It is calendar-dependent.