jQuery.data vs jQuery().data

JavaScript performance comparison

Revision 15 of this test case created by dan

Preparation code

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

Preparation code output

<div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div><div>ZDsadasdfasdfasd</div> <div id="el">ZDsadasdfasdfasd</div> <div>ZDsadasdfasdfasd</div> <script> var i = 0, $el = $('el'); </script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
jQuery.fn.data
$el.data('key-' + 1000, 'val-' + 1000);
pending…
jQuery.data
$.data($el, 'key-' + 1000, 'val-' + 1000);
pending…

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Revisions

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