Run results for: getAttribute vs dataset (without explicit loop)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.4

Device Platform: Mobile

Date tested: 8 months ago

getAttribute

61.0M/s

dataset

18.6M/s

View exact numbers

Test name	Executions per second
✓ getAttribute	61,021,876 Ops/sec
dataset	18,619,386 Ops/sec

HTML Preparation code:

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

Tests:

getAttribute
var element = document.getElementById("foo"); var foo = element.getAttribute("data-foo");
dataset
var element = document.getElementById("foo"); var foo = element.dataset.foo;