Run results for: Javascript classList.contains vs element.matches

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SM-G970F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.88 Mobile Safari/537.36

Browser: Chrome Mobile 100

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
matches	5844.3 Ops/sec
classList	4640.6 Ops/sec

HTML Preparation code:

<div class="foo bar"></div>

Tests:

matches
const element = document.querySelector('.foo'); var i = 1000; while (i--) { element.matches(".foo.bar"); }
classList
const element = document.querySelector('.foo'); var i = 1000; while (i--) { element.classList.contains('foo') && element.classList.contains('bar'); }