getElementById VS jQuery('#id')

JavaScript performance comparison

Revision 105 of this test case created by Oleksandr Kelepko

Preparation code

<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>

<script>
for(var i = 0; i < 1000; ++i){
  $('<p id="foo' + i + '">Test</p>').appendTo($(document.body));
}
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
getElementById
document.getElementById('foo555');
pending…
jQuery
$('#foo555');
pending…
jQuery with getElementById
$(document.getElementById('foo555'));
pending…
getElementById - missing
document.getElementById('fooBar')
pending…
jQuery - missing
$('#fooBar')
pending…

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