Run results for: setAttribute vs style

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36 OPR/78.0.4093.184 (Edition Yx)

Browser: Opera 78

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
setAttribute	50.2 Ops/sec
style	84.2 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"; }