MutationObserver is synchronous only on F12 console

Issue #14269030 • Assigned to


Kagami R.
Oct 17, 2017
This issue is public.
Found in
  • Microsoft Edge
Found in build #
Reported by 1 person

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Steps to reproduce

  1. Access

  2. Click “Add child”

  3. You should see "add child", “mutation” in bottom-top order

  4. Open F12 console and type addChild()

Expected: The order should still be “add child” and "mutation".

Actual: It suddenly becomes “mutation” and "add child".


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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “James M.”

      Changed Assigned To to “travil”

      Changed Assigned To from “travil” to “Jeff W.”

      Changed Status to “Confirmed”

      Changed Steps to Reproduce

      Changed Assigned To from “Jeff W.” to “Mike J.”

      Changed Status from “Confirmed”

      Changed Assigned To to “”

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