Cannot collapse a warning dialog on WHATWG PR previews

Not reproducible Issue #12101256


Kagami R.
May 23, 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 (Got this from
  2. Click “collapse”

Expected: The dialog should be collapse as it is on Firefox and Chrome

Actual: No collapsing


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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “James M.”

      Changed Assigned To to “Scott L.”

      Changed Status to “Needs root cause”

    • This seems because of the lack of details element support on Edge. Try the demo here:

    • Microsoft Edge Team

      Changed Status from “Needs root cause” to “Not reproducible”

    • Thanks for filing this bug! It looks like this has been fixed in recent Windows Insider Preview builds. Please feel free to reactivate this bug if you continue to see this behavior after upgrading. Thanks!

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