Run results for: dataset vs setAttribute

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.6778.265 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
dataset	3689.7 Ops/sec
setAttribute	6528.4 Ops/sec

HTML Preparation code:


<div id='set' data-open="0"></div>

Tests:

dataset
const elem = document.getElementById("set"); var i = 1000; while (i--) { elem.dataset.open = "1"; }
setAttribute
const elem = document.getElementById("set"); var i = 1000; while (i--) { elem.setAttribute('data-open', '1') }