Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; M2101K9C) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36

Browser: Chrome Mobile 91

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
querySelector	2182124.0 Ops/sec
getElementsByClassName	2962632.0 Ops/sec

HTML Preparation code:

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

Tests: