Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Android 7.0; Mobile; rv:92.0) Gecko/92.0 Firefox/92.0

Browser: Firefox Mobile 92

Operating system: Android 7.0

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
querySelector	564168.4 Ops/sec
getElementsByClassName	1071246.0 Ops/sec

HTML Preparation code:

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

Tests: