referencing tag#id vs. just #id in jQuery
a.cheetham at utoronto.ca
Mon Jan 14 15:07:18 UTC 2008
On Jan 11, 2008, at 5:21 PM, Eli Cochran wrote:
> I just read a comment in the jQuery forum which says that, as of
> last July, referencing just the id with out the tag reference is
> significantly faster eg. jQuery('#foo') not jQuery('div#foo') . The
> commenter said that when you reference an id with the tag reference
> jQuery ends up looping through every element to check for the id
> instead of using getElementById.
Eli, thanks for pointing this out. We'll definitely have a second
look at the code, and see if the tag is truly necessary.
Anastasia Cheetham a.cheetham at utoronto.ca
Software Designer, Fluid Project
Adaptive Technology Resource Centre / University of Toronto
"Sometimes I think we're alone. Sometimes I think we're
not. In either case, the thought is staggering."
-- R. Buckminster Fuller
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