Run results for: getBoundingClientRect vs offsetLeft

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
getBoundingClientRect	2086468.8 Ops/sec
offsetLeft	3647142.2 Ops/sec

HTML Preparation code:

<div id="test"></div>

Tests:

getBoundingClientRect
let element = document.getElementById('test'); let rect = element.getBoundingClientRect(); let left = rect.left;
offsetLeft
let element = document.getElementById('test'); let left = element.offsetLeft