Run results for: hasAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

hasAttribute

3K/s

dataset

1K/s

View exact numbers

Test name	Executions per second
✓ hasAttribute	3,055 Ops/sec
dataset	1,355 Ops/sec

HTML Preparation code:

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

Tests:

hasAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.hasAttribute("data-foo"); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.dataset.foo; }