Run results for: Rewrite multiple classes (className vs. setAttribute vs. classList)

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/109.0

Browser: Firefox 109

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

HTML Preparation code:

<div id="foo" class="a b c"></div>

Tests:

className
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.className = "1 2 3"; }
setAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("class", "1 2 3"); }
classList
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.classList.remove(...element.classList); element.classList.add("1", "2", "3"); }