Run results for: querySelectorAll vs. getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:80.0) Gecko/80.0 Firefox/80.0

Browser: Firefox Mobile 80

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
querySelectorAll	260618.4 Ops/sec
getElementsByClassName	1102554.0 Ops/sec

HTML Preparation code:

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

Tests: