Run results for: computedStyleMap vs getComputedStyle

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Mobile Safari/537.36

Browser: Chrome Mobile 92

Operating system: Android 6.0.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
getComputedStyle	2.9 Ops/sec
computedStyleMap	4.5 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') }