jQuery vs JavaScript Performance Comparison

JavaScript performance comparison

Revision 3 of this test case created by yeikos

Preparation code

<div id="hello">
</div>
<div class="bye">
</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
jQuery ID Selector
var $el = $('#hello');
pending…
JavaScript ID Selector
var $el = document.querySelector('#hello');
pending…
jQuery Class Selector
var $el = $('.bye');
pending…
JavaScript Class Selector
var $el = document.querySelector('.bye');
pending…
JavaScript getElementById
var $el = document.getElementById('hello');
pending…
JavaScript getElementById + jQuery Object
var $el = $(document.getElementById('hello'));
pending…

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