Run results for: 2 direct styles vs. setAttribute vs. classList

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.16 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

HTML Preparation code:

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

Tests:

direct styles
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.style.postiion = "fixed"; element.style.bottom = "0"; }
setAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("class", "bar"); }
classList
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.classList.add("bar"); }