Run results for: querySelector versus getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Android 7.0; Mobile; rv:84.0) Gecko/84.0 Firefox/84.0

Browser: Firefox Mobile 84

Operating system: Android 7.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
querySelector	1127152.0 Ops/sec
getElementsByClassName	1131938.0 Ops/sec

HTML Preparation code:

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

Tests: