jQuery vs JavaScript Performance Comparison

JavaScript performance comparison

Revision 39 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script>
Benchmark.prototype.setup = function() {
    var tag;
    (tag = createElement('div')).id = 'hello');
    var tag2;
    (tag2 = createElement('div')).classList.add('bye');
    tag.appendChild(tag2);
    document.body.appendChild(tag);
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
JS ID Selector
var $el = document.getElementById('hello');
pending…
JS generic Selector
var $el = document.querySelector('#hello');
pending…
JS Class Selector
var $el = document.getElementsByClassName('bye');
pending…
JS generic Selector
var $el = document.querySelectorAll('.bye');
pending…
JS multiselect
var $el = document.querySelectorAll('#hello .bye');
pending…

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