Run results for: className vs classListg

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

className

2.8M/s

classList

2.8M/s

View exact numbers

Test name	Executions per second
✓ className	2,833,807 Ops/sec
classList	2,762,758 Ops/sec

HTML Preparation code:

<div id="foo"></div>

Tests:

className
var element = document.getElementById("foo"); element.className = "bar ";
classList
var element = document.getElementById("foo"); element.classList.add("bar");