MutationObserver triggers when a setter action takes place, not when something actually mutates: @msedgedev #edgebug

Fixed Issue #8701248


Aug 30, 2016
This issue is public.
Reported by 1 person

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    • Further digging…

      IE/Edge/Firefox exhibit the same behaviour.

      Safari / Chrome do not - MutateObserver is triggered once.

    • Microsoft Edge Team

      Changed Assigned To to “Brad E.”

      Changed Status to “Fixed”

    • Thanks for the feedback on Edge. This appears to be fixed in our internal builds but still broken in 14911.1000.

      By the time our next few flights of insider fast roll out this should be fixed.

      Thanks for the feedback and we look forward to hearing more from you in the future.  I tested 14926.1000 and found this not repro.

      All the best,
      The MS Edge Team

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