Run results for: getBoundingClientRect width vs offset width

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

Access offset properties directly

2.0M/s

getBoundingClientRect

1.3M/s

View exact numbers

Test name	Executions per second
✓ Access offset properties directly	2,042,353 Ops/sec
getBoundingClientRect	1,262,629 Ops/sec

HTML Preparation code:

<div id="el" style="transform: rotateZ(45deg)">
  <h2>Lorem ipsum dolor sit amet</h2>
</div>

Script Preparation code:

const el = document.getElementById("el");

Tests: