Run results for: querySelectorAll vs. getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Mi A1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Mobile Safari/537.36

Browser: Chrome Mobile 87

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
querySelectorAll	213020.0 Ops/sec
getElementsByClassName	554861.3 Ops/sec

HTML Preparation code:

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

Tests: