Run results for: setProperty vs .cssPropertyName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

setProperty

13.1M/s

cssPropertyName

11.3M/s

View exact numbers

Test name	Executions per second
✓ setProperty	13,071,951 Ops/sec
cssPropertyName	11,309,290 Ops/sec

HTML Preparation code:

<div id="el">
  <h2>Lorem ipsum dolor sit amet</h2>
</div>

Script Preparation code:

const el = document.getElementById("el");

Tests: