[Bug 20490] [Custom]: Things that mutate the DOM tree should queue observer records

https://www.w3.org/Bugs/Public/show_bug.cgi?id=20490

--- Comment #2 from Dimitri Glazkov <dglazkov@chromium.org> ---
I honestly just hate the whole
http://parkour.mtv/webcomponents/spec/custom/index.html#dfn-element-upgrade,
because it's very disruptive and unintuitive to a developer. Even less
intuitive if we don't suppress mutation observers. "WTF just happened? I didn't
do that!" would be a very common reaction to capturing some of those records.

I wonder if the www-dom discussion
(http://lists.w3.org/Archives/Public/www-dom/2013JanMar/0075.html) will result
in a specified behavior where a wrapper is exchanged for another one. Maybe we
could piggyback to that behavior and swap wrappers (well, and prototypes in
this case) instead doing a whole-hog renameNode?

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Received on Wednesday, 16 January 2013 18:25:00 UTC