[Webkit-unassigned] [Bug 289795] document.importNode from quirks mode to standards mode document results in broken selector matching, because of stale lowercased ElementData::m_classNames

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 20 13:43:17 PDT 2025


https://bugs.webkit.org/show_bug.cgi?id=289795

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Using document.importNode   |document.importNode from
                   |causes issue where class    |quirks mode to standards
                   |names appear to be          |mode document results in
                   |lowercase, and are not      |broken selector matching,
                   |receiving CSS styles, or    |because of stale lowercased
                   |returned by querySelector   |ElementData::m_classNames

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