$(this).attr('id') vs this.id

JavaScript performance comparison

Revision 21 of this test case created by Benjamin

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<a id="tester0" class="tests" href="#">abcdefghijkl</a>

<script>
  var a = document.getElementById('tester0')
    , $a = $(a)
    ;
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$a.attr('id');
$a.attr('id');
pending…
a.id;
a.id;
pending…

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