Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Unspecified Device) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 85

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
querySelector	1759854.0 Ops/sec
getElementsByClassName	2195958.0 Ops/sec

HTML Preparation code:

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

Tests: