In what cases should I use those objects instead of an ordinary loop (if there are any such cases)?
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In what cases should I use those objects instead of an ordinary loop (if there are any such cases)?
I think the Enumerator Object is usefull in server side javascript on a windows based system. You can use it to iterate a
Collectionthat is returned by for example a method of the MSFileSystemObjector aCollectionlikeRequest.QueryString. You can’t iterate through such collections directly using javascript (not withfor ... in).I’m under the impression that Iterators are fairly new, not usable in all browsers and can be used to iterate through arrays, xml trees or ranges.