Data attribute vs.jQuery().data vs Attr

JavaScript performance comparison

Revision 86 of this test case created by

Preparation code

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

Preparation code output

<div id="el" data-id="1" val="1"></div> <script> var i = 0, el = document.getElementById('el'), $el = $(el); </script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Attr value fetch
$el.attr("val")
pending…
Data object reference
$el.data().id;
pending…
Data object property fetch
$el.data('id')
pending…

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