Run results for: getAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:128.0) Gecko/128.0 Firefox/128.0

Browser: Firefox Mobile 128

Operating system: Android

Device Platform: Mobile

Date tested: 5 months ago

Test name	Executions per second
getAttribute	44094.8 Ops/sec
dataset	480.6 Ops/sec

HTML Preparation code:

<div id="foo" data-foo="foo_id"></div>

Tests:

getAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.getAttribute("data-foo"); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.dataset.foo; }