Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Android 9; Mobile; rv:65.0) Gecko/65.0 Firefox/65.0

Browser: Firefox Mobile 65

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
querySelector	424815.8 Ops/sec
getElementsByClassName	684585.4 Ops/sec

HTML Preparation code:

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

Tests: