Closed Bug 1489858 Opened 6 years ago Closed 6 years ago

Consider disabling mutation events in shadow trees.

Categories

(Core :: DOM: Core & HTML, enhancement, P2)

enhancement

Tracking

()

RESOLVED FIXED
mozilla65
Tracking Status
firefox65 --- fixed

People

(Reporter: emilio, Assigned: emilio)

References

(Blocks 1 open bug)

Details

(Keywords: dev-doc-complete)

Attachments

(1 file)

Blink and WebKit do this. Looks like we should do it too, given we want to get rid of them.
Priority: -- → P2
Assignee: nobody → emilio
Pushed by emilio@crisal.io:
https://hg.mozilla.org/integration/autoland/rev/90c9722f3da7
Disable mutation events on shadow trees. r=smaug
Pushed by emilio@crisal.io:
https://hg.mozilla.org/integration/autoland/rev/7cd7b017af5d
Simplify a bit the conditional. r=smaug
https://hg.mozilla.org/mozilla-central/rev/90c9722f3da7
https://hg.mozilla.org/mozilla-central/rev/7cd7b017af5d
Status: NEW → RESOLVED
Closed: 6 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla65
I've added a note to the Fx65 rel notes to cover this:

https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/65#APIs

I don't think this needs anything else. We already discourage mutation event usage heavily.
Component: DOM → DOM: Core & HTML
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