Run results for: offsetTop vs getBoundingClientRect

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

offsetTop

22.3M/s

getBoundingClientRect

6.2M/s

View exact numbers

Test name	Executions per second
✓ offsetTop	22,305,536 Ops/sec
getBoundingClientRect	6,160,154 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests: