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

JavaScript performance comparison

Revision 28 of this test case created

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');
  var $a = $(a);
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$a.attr('id') === 'tester0'
$a.attr('id') === 'tester0';
pending…
$a.is('#tester0')
$a.is('#tester0');
pending…
a.id === 'tester0'
a.id === 'tester0';
pending…

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