On Sun, Aug 21, 2016 at 12:02 PM, Mark Giffin wrote:
> I have two questions I cannot seem to find the answer to in the Custom
> Elements spec,
> https://www.w3.org/TR/2016/WD-custom-elements-20160721/
>
> 1. Can I use the is= syntax for more than one customized built-in element,
> like ?
No.
I
I implemented custom elements in Chrome (twice.) This looks reasonable to
me.
The exact timing of createdCallback and constructor running, and errors
around element creation, are different. If authors stick to the
restrictions of custom elements "v1" they should be fine, because they're
more restr
