jQuery body vs. document.body selector

JavaScript performance comparison

Revision 17 of this test case created

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').width();
$('body').height();
pending…
$(document.body)
$(document.body).width();
$(document.body).height();
pending…
$('body') cached
var body=$('body');
body.width();
body.height();
pending…
$(document.body) cached
var body=$(document.body);
body.width();
body.height();
pending…

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