Run results for: getComputedStyle vs. className vs. className / contains

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: 2 months ago

Test name	Executions per second
getComputedStyle	472.9 Ops/sec
className	19525.6 Ops/sec
classList.contains	6104.4 Ops/sec

HTML Preparation code:

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

AخA
 
<div id="foo"></div>

Tests:

getComputedStyle
var i = 3000; var el = document.getElementById('foo'); while (i--) { chekele(el); } function chekele(element) { return window.getComputedStyle(element, null).getPropertyValue("display").indexOf('none') === -1; }
x

var i = 3000;
var el = document.getElementById('foo');
while (i--) {
chekele(el);
}

function chekele(element) {
return window.getComputedStyle(element, null).getPropertyValue("display").indexOf('none') === -1;
}

className

var i = 3000;
var el = document.getElementById('foo');

while (i--) {
	chekele(el);
}

function chekele(element) {
    return element.className.indexOf('hide') === -1;
}

 
var i = 3000;var el = document.getElementById('foo');​while (i--) {    chekele(el);}​function chekele(element) {    return element.className.indexOf('hide') === -1;}​

classList.contains

var i = 3000;
var el = document.getElementById('foo');

while (i--) {
	chekele(el);
}

function chekele(element) {
    return element.classList.contains('hide');
}

 
var i = 3000;var el = document.getElementById('foo');​while (i--) {    chekele(el);}​function chekele(element) {    return element.classList.contains('hide');}​