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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

getAttribute

10.3M/s

dataset

6.5M/s

View exact numbers

Test name	Executions per second
✓ getAttribute	10,287,160 Ops/sec
dataset	6,521,308 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;