Run results for: clientHeight vs offsetHeight vs getBoundingClientRect().height

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 26

Operating system: iOS 18.7

Device Platform: Mobile

Date tested: 7 months ago

offsetHeight

18.4M/s

clientHeight

15.9M/s

getBoundingClientRect

4.5M/s

View exact numbers

HTML Preparation code:

<div id="teste">teste</div>

Tests:

clientHeight
document.getElementById('teste').clientHeight;
offsetHeight
document.getElementById('teste').offsetHeight;
getBoundingClientRect
document.getElementById('teste').getBoundingClientRect().height;