On Mon, Feb 23, 2015 at 8:16 PM, Ryosuke Niwa <rn...@apple.com> wrote: >> On Feb 23, 2015, at 5:40 PM, Dean Jackson <d...@apple.com> wrote: >> At the recent Houdini meeting there was a vague agreement between the >> browser engines on adding a way for elements to be notified when their size >> changes. We've run into a number of scenarios where this is extremely >> useful, and is otherwise difficult or annoying (e.g. checking your size on a >> timer). >> >> The idea was to allow the resize event on elements. I don't really care what >> the solution is, so maybe someone here can come up with a better idea (size >> observers?). And of course there are a lot of details to be worked out. > > I would like it be an async event on an element although we might want it to > fire earlier than setTimeout(~, 0) to avoid FOC (maybe the same timing as > rAF?). I don't think end-of-microtask makes sense as that may force too many > layouts.
Yeah, you almost certainly want to tie it to rAF timing. ~TJ
