Benchmark Run Result for: window.getComputedStyle vs. className vs. classList

HTML Preparation code:

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

Tests:

getComputedStyle
var i = 3000; while (i--) { window.getComputedStyle(document.body).getPropertyValue("display").indexOf('none') !== -1 }
className
var i = 3000; while (i--) { document.body.className.indexOf('hide') !== -1; }
classList
var i = 3000; while (i--) { document.body.classList.contains('hide'); }