Run results for: setAttribute vs style.cssText

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

style

78/s

setAttribute

59/s

View exact numbers

Test name	Executions per second
✓ style	78 Ops/sec
setAttribute	59 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;`; }