Run results for: setAttribute vs style.cssText test

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
setAttribute	311.7 Ops/sec
style	336.2 Ops/sec

HTML Preparation code:

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

AخA
 
<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;`
}

 
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]);
}

 
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];
}

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