Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; ASUS_Z017DB) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Mobile Safari/537.36

Browser: Chrome Mobile 74

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
querySelector	459281.8 Ops/sec
getElementsByClassName	647870.3 Ops/sec

HTML Preparation code:

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

Tests: