Tests whether this object has the specified property as a direct property.
Tests whether this object is in the prototype chain of another object.
Tests whether the specified property in an object can be enumerated by a call to js.Object.properties, with the exception of properties inherited through the prototype chain.
Returns a localized string representation of this BigInt.
A string with a BCP 47 language tag, or an array of such strings. For the general form and interpretation of the locales argument, see the Intl page.
An object with some or all of the properties.
Returns a string representation of this BigInt.