Key info, thanks for that insight Elliott.

On Sun, Apr 20, 2014 at 11:14 AM, Elliott Sprehn <[email protected]> wrote:

> The biggest issue with this is that we don't distribute nodes until we
> recalculate style which is at requestAnimationFrame time, but after all
> your callbacks have run. So your MutationObserver would always miss one
> frame.
>
>
>
> On Sun, Apr 20, 2014 at 1:31 PM, Scott Miles <[email protected]> wrote:
>
>> We've been lobbying for such changes to be observable as Mutations (or at
>> least as an event) for some time now.
>>
>> Will add your votes to the lobby effort!
>>
>>
>> On Sun, Apr 20, 2014 at 10:17 AM, Justin Fagnani <
>> [email protected]> wrote:
>>
>>> +polymer-dev
>>> Is there a way to observe mutations on distributed nodes of
>>> ContentElement using MutationObserver? Observing on childList doesn't seem
>>> to fire when distributed nodes are added or removed to ContentElement. I am
>>> forced to observe on root PolymerElement for now.
>>>
>>> Thanks!
>>>
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