jQuery body vs. document.body vs cached selector

JavaScript performance comparison

Revision 58 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
      
<script>
Benchmark.prototype.setup = function() {
  var $body = document.body;

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
$body
$body.addClass('moo');
pending…
$(document.body)
$(document.body).addClass('moo');
pending…
$('body')
$('body').addClass('moo');
pending…

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Revisions

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