[whatwg] Specification unclear about how HTMLElement.prototype.onscroll's getter/setter should behave for "body" elements

[Cameron McCormack]

On 8/01/13 7:31 AM, Ian Hickson wrote:
> heycam, did we resolve this at the WebIDL level by any chance? Or is this
> still open? (If the latter, is there a bug# for it? Or is this an HTML
> problem I need to fix myself?)

No, this didn't get resolved. 
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20225 is the open bug.  I 
will respond there.

> On Mon, 3 Dec 2012, Boris Zbarsky wrote:
>>
>> I have to ask: are there languages or runtime systems that have that
>> sort of behavior on method calls (as opposed to in method
>> implementations in special cases where the operation is nonsensical)? It
>> seems weird to be requiring this behavior, in general.
>
> Most languages, if you invoke the method of a superclass on an object of a
> subclass that overrides that method in an incompatible way, will just let
> you crash the application.
>
> This isn't an option for us.

It might crash, but I'd say that's a bug in your class design that a 
superclass method cannot be called on a subclass.