getElementsByClassName vs. QuerySelector (v4)

Revision 4 of this benchmark created on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<div class="container">
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
<p class="item">item</p>
</div>

Test runner

Ready to run.

Testing in
TestOps/sec
jQuery Selector
$items = $('.item');
ready
JS Selector Class Name
items = document.getElementsByClassName('item');
$items = $(items);
 
ready
Query Selector
items = document.querySelectorAll('.item')
$items = $(items);
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.