Run results for: hasAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
hasAttribute	266240.6 Ops/sec
dataset	1917.9 Ops/sec

HTML Preparation code:

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

Tests:

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