Run results for: getElementsByClassName vs querySelector vs jQuery

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.54 Safari/537.36

Browser: Chrome 94

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
getElementsByClassName	3937019.0 Ops/sec
querySelector	4201931.5 Ops/sec
querySelector (attribute)	1963689.6 Ops/sec
querySelectorAll	1816760.6 Ops/sec
querySelectorAll (attribute)	1073458.4 Ops/sec
jQuery	716839.6 Ops/sec
jQuery (attribute)	476319.7 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<div class="test"></div>

Tests: