getElementById VS jQuery('#id')

JavaScript performance comparison

Revision 78 of this test case created by weliyt

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<p id="foo">
  Test
</p>
<p id="bar">
  bars</p>

Preparation code output

Test

bars

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Testing in unknown unknown
Test Ops/sec
Basic getElementById
document.getElementById('foo');
document.getElementById('bar');
pending…
#1 Method Wrapped
function _(id) {
  return document.getElementById(id);
}
_("foo");
_("bar");
pending…
#1 jQuery Object Returned
function _(id) {
  return $(document.getElementById(id));
}
_('foo');
_('bar');
pending…
#1 DOM Returned, then jQuery Wrapped
function _(id) {
  return $(document.getElementById(id));
}
$(_('foo'));
$(_('bar'));
pending…
jQuery Selector
$('#foo');
$('#bar');
pending…

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