jQuery body vs. document.body selector

JavaScript performance comparison

Revision 2 of this test case created by Mathias Bynens and last updated

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

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Testing in unknown unknown
Test Ops/sec
$('body')
$('body');
pending…
$(document.body)
$(document.body);
pending…

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3 comments

James Cooke commented :

It's worth noting that this revision crashes Firefox 8.0....ouch

Mathias Bynens (revision owner) commented :

@James, it seems to be working fine for me in Firefox 8.

Andrea commented :

Wow! huge difference.

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