Run results for: clientWidth vs offsetWidth vs window.getComputedStyle

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0

Browser: Firefox 68

Operating system: Windows 7

Device Platform: Desktop

Date tested: 4 years ago

HTML Preparation code:

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

Script Preparation code:

var teste_n = '123px';
var _style = window.getComputedStyle(document.getElementById('teste'));

Tests: