Run results for: querySelectorAll versus getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:83.0) Gecko/20100101 Firefox/83.0

Browser: Firefox 83

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
querySelectorAll	1689446.4 Ops/sec
getElementsByClassName	2583264.5 Ops/sec

HTML Preparation code:

<div class="test"></div>

Tests: