Run results for: getAttribute vs dataset 2023

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
setAttribute	191.0 Ops/sec
dataset	138.3 Ops/sec

HTML Preparation code:

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

Tests:

setAttribute
var element = document.getElementById("foo"); var i = 10000; var current = 0; while (i--) { element.setAttribute("data-foo", `foo_${i}`); current = element.getAttribute("data-foo"); }
dataset
var element = document.getElementById("foo"); var i = 10000; var current = 0; while (i--) { element.setAttribute("data-foo", `foo_${i}`); current = element.dataset.foo; }