JQuery: is .data() faster than .attr("data-...")

JavaScript performance comparison

Revision 2 of this test case created by Jonas Middendorf

Preparation code

<script src="http://code.jquery.com/jquery-2.0.0b2.min.js"></script>
<div id="myDiv" data-my-data="value"></div>
      
<script>
Benchmark.prototype.setup = function() {
  var $myDiv = $('#myDiv')

};
</script>

Preparation code output

<div id="myDiv" data-my-data="value"></div>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
$.data().myData
$myDiv.data().myData
pending…
$.attr('data-my-data')
$myDiv.attr('data-my-data')
pending…
$.data('my-data')
$myDiv.data('my-data')
pending…

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Revisions

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