jQuery.data vs jQuery().data

JavaScript performance comparison

Revision 15 of this test case created by dan

Info

we are benchmarking DOM, not Math.rand()

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
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<div id="el">ZDsadasdfasdfasd</div>
<div>ZDsadasdfasdfasd</div>
<script>
  var i = 0,
      $el = $('el');
</script>

Preparation code output

ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
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ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd
ZDsadasdfasdfasd

Test runner

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Java applet disabled.

Testing in unknown unknown
Test Ops/sec
jQuery.data
$.data($el, 'key-' + 1000, 'val-' + 1000);
pending…
jQuery.fn.data
$el.data('key-' + 1000, 'val-' + 1000);
pending…

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Revisions

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