javascript Enumerator Description

If an ActiveX control property or method returns a collection of values, the usual JavaScript approach to collections (treating them as arrays) does not work for such values. The Enumerator object gives JavaScript a way to reference items in such collections by controlling a pointer to the list of items. For additional details, visit http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/js56jsobjenumerator.asp.