Run results for: getComputedStyle vs getBoundingClientRect

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.2 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

getComputedStyle

19.6M/s

getBoundingClientRect

6.6M/s

View exact numbers

Test name	Executions per second
✓ getComputedStyle	19,564,380 Ops/sec
getBoundingClientRect	6,604,170 Ops/sec

HTML Preparation code:

<div id="foo" style="width: 100px; height: 100px"></div>

Script Preparation code:

var foo = document.querySelector('#foo');

Tests: