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

JavaScript performance comparison

Revision 3 of this test case created

Info

When you have an attribute data-... in a HTML element: Is it faster to get the value using $.data('...') or attr('data-...')

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="myDiv" data-my-data="value"></div>
<script>
Benchmark.prototype.setup = function() {
    var $myDiv = $('#myDiv')
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$.data
$myDiv.data('my-data')
pending…
$.attr
$myDiv.attr('data-my-data')
pending…

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