The valueOf() method of Boolean values returns the primitive value of a Boolean object.

The valueOf() method of BigInt values returns the wrapped primitive value of a BigInt object.

The BigInt.asIntN() static method truncates a BigInt value to the given number of least significant bits and returns that value as a signed integer.

The BigInt.asUintN() static method truncates a BigInt value to the given number of least significant bits and returns that value as an unsigned integer.

The format() method of Intl.RelativeTimeFormat instances formats a value and unit according to the locale and formatting options of this Intl.RelativeTimeFormat object.

The some() method of Iterator instances is similar to Array.prototype.some(): it tests whether at least one element produced by the iterator passes the test implemented by the provided function. It returns a boolean value.

The Math.LN10 static data property represents the natural logarithm of 10, approximately 2.302.

The Math.SQRT1_2 static data property represents the square root of 1/2, which is approximately 0.707.

The calendar accessor property of Intl.Locale instances returns the calendar type for this locale.

The numeric accessor property of Intl.Locale instances returns whether this locale has special collation handling for numeric characters.