Run results for: querySelector vs getElementsByClassName[0] Perf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Browser: Chrome 71

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
QuerySelector	2899896.0 Ops/sec
GetElementsByClassName[0]	2800115.0 Ops/sec

HTML Preparation code:

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

Tests: