jQuery.data vs jQuery().data vs .getAttribute

JavaScript performance comparison

Revision 49 of this test case created by Dennis Kim

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="el"></div>
<script>
  var $el = $('#el');
  var el = document.getElementById('el');
  var temp;
</script>
    

Preparation code output

<div id="el"></div> <script> var $el = $('#el'); var el = document.getElementById('el'); var temp; </script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
jQuery.fn.data
$el.data('key', 'val-' + Math.floor(Math.random() * 1001));
temp = $el.data('key');
pending…
jQuery.data
$.data($el, 'key', 'val-' + Math.floor(Math.random() * 1001));
temp = $.data($el, 'key');
pending…
setAttribute
el.setAttribute('data-key', 'val-' + Math.floor(Math.random() * 1001));
temp = el.getAttribute('data-key');
pending…
accessor
el['data-key'] = 'val-' + Math.floor(Math.random() * 1001);
temp = el['data-key'];
pending…

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Revisions

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