Run results for: setAttribute vs style

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 12_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/86.0.4240.93 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 86

Operating system: iOS 12.4

Device Platform: Tablet

Date tested: 3 years ago

Test name	Executions per second
setAttribute	11.2 Ops/sec
style	39.6 Ops/sec

HTML Preparation code:

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

Tests:

setAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { element.setAttribute("style", "width: "+i+"px; height: "+i+"px;"); }
style
var element = document.getElementById("foo"); var i = 10000; while (i--) { element.style.width = i+"px"; element.style.height = i+"px"; }