Null can be useful in two cases. In order to document some methods
that accept or can return a null value, or for the Flash compiler and AS3
generator to distinguish between base values that can be null and others that
can't.
See:
Null can be useful in two cases. In order to document some methods
that accept or can return a null value, or for the Flash compiler and AS3
generator to distinguish between base values that can be null and others that
can't.
See: