referencing tag#id vs. just #id in jQuery
eli at media.berkeley.edu
Fri Jan 11 22:21:05 UTC 2008
Debugging in the Reorder, I noticed that the container reference is
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.
This might have been something that was improved in subsequent
versions of jQuery. I'll try to find out.
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user interaction developer
ETS, UC Berkeley
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