Run results for: setAttribute vs dataset (v2)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.2

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
getAttribute	2844.1 Ops/sec
dataset	1370.6 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--) { element.setAttribute("data-foo", 1); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { element.dataset.foo = 1; }

Run results for: setAttribute vs dataset (v2)

Compare setAttribute to dataset

getAttribute

dataset