[Bug 22141] [Shadow]: Need mechanism to tell if an element in a ShadowRoot has been inserted into the Document

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22141

Pedram Emrouznejad <p3pedram@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |p3pedram@gmail.com

--- Comment #21 from Pedram Emrouznejad <p3pedram@gmail.com> ---
For what's it worth, I managed to solve my need for a document.contains that
cuts across shadow boundaries by doing: 

element.matches(':host-context(body) *')

(essentially, I needed to know if a shadow-nested element was in the main
document)

+1 to a more versatile document.contains though. I'm not sure what other
possible options a dictionary would be good for, so I think just a simple
true/false as the second parameter would work well. If there is need for
further config in the future, then I guess you can still keep the true/false
parameter and overload it with a dictionary.

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Received on Sunday, 15 February 2015 17:33:18 UTC