Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; SM-G965F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.92 Mobile Safari/537.36

Browser: Chrome Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
querySelector	1020684.0 Ops/sec
getElementsByClassName	1327343.0 Ops/sec

HTML Preparation code:

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

Tests: