Run results for: getAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; Infinix X657B Build/QP1A.190711.020; rv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Rocket/2.6.2(20653) Chrome/105.0.5195.79 Mobile Safari/537.36

Browser: Chrome Mobile 105

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
getAttribute	304.8 Ops/sec
dataset	104.1 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; }

Run results for: getAttribute vs dataset

Compare setAttribute to dataset

getAttribute

dataset