Re: [css-overflow-clipping] First Draft of Overflow Clipping now available!

On Wed, Oct 2, 2013 at 1:33 PM, Robert O'Callahan <robert@ocallahan.org> wrote:
> On Wed, Oct 2, 2013 at 4:17 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
>> If it's not, then descendants of the element can paint/affect layout
>> of stuff outside of the element.
>
> Yes, but why is that important in this case?
>
> Is the idea here that descendants of an overflow:clip element that's outside
> the viewport don't even need to have style resolved on them? So we
> anticipate authors creating a lot of elements that are overflow:clip and
> positioning them over a large area?

Precisely.  (Authors already create self-contained elements positioned
over long documents; being assured of the possibility of optimizing
these would be nice.)

~TJ