Run results for: computedStyleMap vs getComputedStyle

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
getComputedStyle	79.3 Ops/sec
computedStyleMap	108.9 Ops/sec

HTML Preparation code:

<div class="foo"></div>

Tests:

getComputedStyle
var i = 15000; var el = document.querySelector(".foo"); while (i--) { window.getComputedStyle(el).getPropertyValue('color') }
computedStyleMap
var i = 15000; var el = document.querySelector(".foo"); while (i--) { el.computedStyleMap().get('color') }