Run results for: computedStyleMap vs getComputedStyle

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

Browser: Chrome 145

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

computedStyleMap

191/s

getComputedStyle

173/s

View exact numbers

Test name	Executions per second
✓ computedStyleMap	191 Ops/sec
getComputedStyle	173 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') }