Run results for: className.includes vs classList.contains

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.52 Whale/3.12.129.29 Safari/537.36

Browser: Chrome 96

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
className.includes	8235396.0 Ops/sec
classList.contains	8669517.0 Ops/sec

HTML Preparation code:

<div id="test" class="class1 class2 class3"></div>

Script Preparation code:

var el = document.getElementById("test")

Tests: