[Bug 20225] don't allow overridden operations and attribute getters/setters to be invoked on descendant objects


--- Comment #17 from Cameron McCormack <cam@mcc.id.au> ---
It is probably easier to solve this without a Web IDL solution, and just avoid
defining interfaces that cause operations/attributes from ancestor interfaces
to not work on them.  (I changed my mind about not allowing overridden
operations to be invoked on descendant objects -- I think (again) it is just
poor interface design.)

(In reply to comment #16)
> I'd be happy to change namedItem() on HTMLCollection back to 'Element?'.

The two reasonable solutions that don't involve changing Web IDL are (1) to
make HTMLCollection work use 'object?', and define the interface to be a more
general collection, and particular instances define what items go in the
collection, and (2) to change namedItem() to 'Element?' and have
HTMLPropertiesCollection not inherit from HTMLCollection.

I'd be happy with either.

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Received on Monday, 7 January 2013 23:42:47 UTC