Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (X11; CrOS armv7l 13099.110.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.136 Safari/537.36

Browser: Chrome 84

Operating system: Chrome OS 13099.110.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
querySelector	615508.7 Ops/sec
getElementsByClassName	821095.9 Ops/sec

HTML Preparation code:

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

Tests: