On Fri, Apr 18, 2014 at 3:29 PM, Zibi Braniecki
<zbigniew.branie...@gmail.com> wrote:

> Question: should mutationobserver's callback be run on those nodes before 
> firstPaint?

Yes

> Question 2: should mutationobserver's callback be run on those nodes before 
> they are injected into DOM?

No. That would require them to fire synchronously and bring back a lot
of the problems that we had (and still have) with MutationEvents.

/ Jonas
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