`resize` event should be plain Event instead of UIEvent

External Issue #6827878


Mar 10, 2016
This issue is public.
Reported by 1 person

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Steps to reproduce


Repro Steps:

  1. Open http://output.jsbin.com/rokoze in Edge 13.10586.
  2. Resize the window.
  3. Observe that the alert box says "The ‘resize’ event is of type: UIEvent".

In all other major browsers, the alert box instead says "The ‘resize’ event is of type: Event". (And this instance-of relationship can be verified by examining the resize event object in the browsers’ JS consoles.)

Expected Results:

The resize event should be an instance of Event rather than UIEvent.
Per https://drafts.csswg.org/cssom-view/#resizing-viewports

[…] fire an event named resize at the Window object associated with doc
And per https://dom.spec.whatwg.org/#concept-event-fire
To “fire an event named e” means that a new event using the Event interface, […]

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Mara P.”

      Changed Assigned To to “Travis L.”

      Changed Assigned To from “Travis L.” to “IE S.”

      Changed Status to “External”

    • So, where’s the link to the other issue which this issue is allegedly a duplicate of?

    • Hello,

      Thank you for providing this information about the issue. We have confirmed the problem, and we are working on a solution for a future build of Edge. The existing ticket is internal and not accessible in the EdgeHTML issue tracker.

      Best Wishes,
      The MS Edge Team

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