[Webkit-unassigned] [Bug 19002] New: Optimize id selectors in querySelector/querySelectorAll
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun May 11 20:50:27 PDT 2008
http://bugs.webkit.org/show_bug.cgi?id=19002
Summary: Optimize id selectors in querySelector/querySelectorAll
Product: WebKit
Version: 526+ (Nightly build)
Platform: Macintosh
OS/Version: Mac OS X 10.5
Status: NEW
Severity: Enhancement
Priority: P2
Component: WebCore JavaScript
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: catfish.man at gmail.com
>From irc:
othermaciej: Catfish_Man: I am belatedly reading the comments to
http://webkit.org/blog/156/queryselector-and-queryselectorall/
I think we could in fact special-case ID selectors in querySelectorAll and
querySelector
WebKit's internal ID cache not only caches the first match, but it also tracks
whether there are multiple elements with that ID
I think it would be worth doing
So that a single uniform API can consistently give good performance
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