Run results for: getElementsByClassName and querySelector

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; Pixel 4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 106

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
getElementsByClassName	1657724.0 Ops/sec
querySelector	1765719.0 Ops/sec

HTML Preparation code:

<div class="page-footer"></div>

Tests:

getElementsByClassName
const footerHeight = document.getElementsByClassName('page-footer')[0]
querySelector
const footerHeight = document.querySelector('.page-footer')[0]