Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0; HTC One M9_Prime Camera Edition) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.105 Mobile Safari/537.36

Browser: Chrome Mobile 72

Operating system: Android 6.0

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
querySelector	431364.4 Ops/sec
getElementsByClassName	605075.9 Ops/sec

HTML Preparation code:

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

Tests:

querySelector
document.querySelector(".test")
getElementsByClassName
document.getElementsByClassName(".test")