[Webkit-unassigned] [Bug 100395] New: Avoid unnecessary style recalcs on id attribute mutation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100395

           Summary: Avoid unnecessary style recalcs on id attribute
                    mutation
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi


There is no need to invalidate element style on id attribute change if neither the old nor the new id were mentioned in any stylesheet. This is similar to the optimization we already have for class attributes.

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