Run results for: clientHeight + clientWidth vs getComutedStyle()

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:109.0) Gecko/116.0 Firefox/116.0

Browser: Firefox Mobile 116

Operating system: Android

Device Platform: Mobile

Date tested: 10 months ago

Test name	Executions per second
clientHeight + clientWidth	4047206.0 Ops/sec
computedStyle	548242.5 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests:

clientHeight + clientWidth
element.clientHeight; element.clientWidth;
computedStyle
var computedStyle = window.getComputedStyle(element); parseFloat(computedStyle.height); parseFloat(computedStyle.widht);