Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Android 8.1.0; Mobile; rv:68.0) Gecko/68.0 Firefox/68.0

Browser: Firefox Mobile 68

Operating system: Android 8.1.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
querySelector	558532.3 Ops/sec
getElementsByClassName	880846.8 Ops/sec

HTML Preparation code:

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

Tests: