Run results for: setAttribute vs style.cssText

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 OPR/120.0.0.0

Browser: Opera 120

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
setAttribute	158.4 Ops/sec
style	190.7 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.cssText = `width: ${i}px; height: ${i}px;`; }