Why only IE11 needs ' allowfullscreen ' attribute in Iframe a boolean while others are not even Edge browser?

By design Issue #8266481

Details

Author
Jungwoo K.
Created
Jul 25, 2016
Privacy
This issue is public.
Reports
Reported by 1 person

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Steps to reproduce

I am using iframe to post Youtube videos and found out that only IE11 do not accept ' allowfullscreen="" ' or ' allowfullscreen="allowfullscreen" ' or ' allowfullscreen="true" ' etc. Fullscreen function won’t work whatever value you put in it.

My page is using CKEditor and can not help from giving attributes certain value. At first I thought all browsers accept ' allowfullscreen ' attribute as a boolean, I started modifying CKEditor but found out that this case happens only IE11 while other browsers accept values end of that attribue even Edge browser!

So, here is my question : Why IE11 made ' allowfullscreen ' a boolean? Is there any reason? If not, I hope it would be fixed like other browsers. And it is quite frustrating to insert boolean attributes with JS.

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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Ibrahim O.”

      Changed Status to “By design”

    • Thank you for providing your feedback on IE11.
       
      We are not accepting feedback on Internet Explorer through this portal any longer (unless security related). We welcome any feedback you have on Microsoft Edge using this website. This item will be closed as By Design since IE feature bugs are not being worked unless security related.
       
      All the best,
      The MS Edge Team 

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