Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; SM-G6100) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36

Browser: Chrome Mobile 70

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
querySelector	398446.0 Ops/sec
getElementsByClassName	559950.4 Ops/sec

HTML Preparation code:

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

Tests: