[Webkit-unassigned] [Bug 253409] maxlength test for <textarea> failing when ran in a third-party iframe

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Mar 5 15:08:03 PST 2023


Chris Dumez <cdumez at apple.com> changed:

           What    |Removed                     |Added
                 CC|                            |akeerthi at apple.com,
                   |                            |simon.fraser at apple.com

--- Comment #11 from Chris Dumez <cdumez at apple.com> ---
In Element::focus(), we have:
        if (!frame.hasHadUserInteraction() && !frame.isMainFrame() && !document->topOrigin().isSameOriginDomain(document->securityOrigin()))

Which means that we don't allow elements in third-party frames to get focus in JS without a user interaction. This behavior appears to be stricter than both Chrome and Firefox so it may be a compatibility risk

I am adding a few people in CC would know more about focus than I do to see if we should update our behavior.

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