Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36

Browser: Chrome 77

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
querySelector	2565984.0 Ops/sec
getElementsByClassName	3141488.0 Ops/sec

HTML Preparation code:

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

Tests: