Re: [spec-reviews] CSSOM View document.scrollingElement (#51)

@RByers
> That is expected.

The frameset thing is a bug, the CSSOM View spec for `scrollingElement` does never return a frameset element. It specifically calls this out in a note. :-)

@dperini It seems to me that your line of reasoning is that the `window` is equivalent to "the viewport", but I think that is not the case. There is no object actually representing the viewport. So for some APIs it's the window, for some it's the document, for some it's the root element, for some it's the body element.

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