[Webkit-unassigned] [Bug 75992] New: querySelector* should cache results

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75992

           Summary: querySelector* should cache results
           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: rniwa at webkit.org
                CC: koivisto at iki.fi, kling at webkit.org


According to my research, it could benefit anywhere up to 50%. The variance is huge but benefit is huge on websites that does fit this pattern. For example, on gmail, about 2-30% of queries are identical consecutive queries on the same node.

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