Run results for: setAttribute vs style

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:62.0) Gecko/20100101 Firefox/62.0

Browser: Firefox 62

Operating system: Mac OS X 10.11

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
setAttribute	29.0 Ops/sec
style	43.1 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"; }