Run results for: clientHeight vs getComputedStyle().height

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.5

Device Platform: Mobile

Date tested: one year ago

clientHeight

21.9M/s

getComputedStyle

5.8M/s

View exact numbers

Test name	Executions per second
✓ clientHeight	21,925,490 Ops/sec
getComputedStyle	5,762,238 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var element = document.getElementById('test');

Tests: