[Webkit-unassigned] [Bug 80300] New: Optimize classList

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=80300

           Summary: Optimize classList
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: arv at chromium.org


Right now we set the class attribute every time the classList is changed. Maybe we could skip setting this attribute and mark it as dirty if there are no mutation observers/listeners?

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