[Webkit-unassigned] [Bug 42765] element.tabIndex returns 0 for <frameset> and <legend> elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42765

Ahmad Saleem <zlip.792 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zlip.792 at gmail.com

--- Comment #2 from Ahmad Saleem <zlip.792 at gmail.com> ---
Created attachment 459968

  --> https://bugs.webkit.org/attachment.cgi?id=459968&action=review

Safari 15.5 matches other browsers (except one case differs from Chrome)

I noted using attached test case that Safari 15.5 on macOS 12.4 matches Firefox Nightly 104 behavior by returning -1 and also shows all activeElements depending on frames and tabIndex returning same. Only difference was for "after legend.focus()" in Chrome, which returned "BODY" different from Safari and Chrome.

Please refer attached screenshots for the updated results. I am not familiar with relevant web spec to identify which is correct behaviour but just wanted to share updated output.

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