Run results for: setAttribute vs dataset.attrName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
setAttribute	16230.1 Ops/sec
dataset	6126.3 Ops/sec

HTML Preparation code:

<div id="foo"></div>

Tests:

setAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("data-state", "active"); }
dataset
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.dataset.state = "active"; }