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Run results for:
getComputedStyle vs. className vs. className / contains
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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 year 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>
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; }
className
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'); }