Run results for: window.getComputedStyle vs getAttribute

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
getComputedStyle	929.0 Ops/sec
getAttribute	3606.1 Ops/sec

HTML Preparation code:

<div id="foo" data-attr="foo"></div>

Tests:

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