Run results for: setAttribute vs style.cssText test

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
setAttribute	12.0 Ops/sec
style	17.3 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var element = document.getElementById("foo");
const array = new Array(10000);
for (var i = 0; i < array.length; i++) {
    array[i] = `width: ${i}px; height: ${i}px;`
}

Tests:

setAttribute
for (var i = 0; i < array.length; i++) { element.setAttribute("style", array[i]); }
style
for (var i = 0; i < array.length; i++) { element.style.cssText = array[i]; }