Run results for: clientHeight vs offsetHeight vs getBoundingClientRect height only

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

offsetHeight

2.5M/s

clientHeight

2.4M/s

getBoundingClientRect

1.6M/s

View exact numbers

HTML Preparation code:

<div id="el">
  <h2>Lorem ipsum dolor sit amet</h2>
</div>

Script Preparation code:

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

Tests:

clientHeight
const { clientHeight } = el; const perim = (clientHeight) * 2;
offsetHeight
const { offsetHeight } = el; const perim = (offsetHeight) * 2;
getBoundingClientRect
const { height } = el.getBoundingClientRect(); const perim = (height) * 2;