Run results for: className vs. setAttribute vs. classList with removal

Run details:

User agent: Mozilla/5.0 (iPhone; CPU OS 15_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/28.0 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 15

Operating system: iOS 15.6

Device Platform: Mobile

Date tested: 2 years ago

HTML Preparation code:

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

Tests:

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