Run results for: getAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0; 8063) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.134 Safari/537.36 OPR/70.3.3653.66308

Browser: Opera 70

Operating system: Android 6.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
getAttribute	172.8 Ops/sec
dataset	55.2 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; }