[Webkit-unassigned] [Bug 21052] New: Generalize id selector special case for querySelectorAll

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21052

           Summary: Generalize id selector special case for querySelectorAll
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: catfish.man at gmail.com


Currently we special case only a raw id selector. Patch forthcoming shortly to
expand this to any selector with an id selector as its rightmost element, at a
small cost in special case speed.

Changes results from:
#title: 2ms
h1#title: 55ms
div #title: 55ms

to:
#title: 1ms (test variance? it shouldn't have sped up...)
h1#title: 2ms
div #title: 5ms


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