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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Linux

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
getAttribute	6224701.0 Ops/sec
dataset	3773039.5 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;