jQuery body vs. document.body selector

JavaScript performance comparison

Revision 26 of this test case created

Preparation code

<script src="//code.jquery.com/jquery-git2.min.js"></script>

<body id="bodyID"></body>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$('body')
$('body');
pending…
$('html')
$('html');
pending…
$(document.body)
$(document.body);
pending…
$(window.document.body)
$(window.document.body);
pending…
$(window)
$(window);
pending…
$("#bodyID")
$("#bodyID");
pending…
document.body
document.body
pending…
getElementsByTagName
document.getElementsByTagName("body")
pending…
getElementById
document.getElementById("bodyID")
pending…

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