Benchmark: getAttribute & setAttribute vs dataset

HTML Preparation code:

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

Tests:

getAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.getAttribute("data-foo"); element.setAttribute("data-foo2", foo); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.dataset.foo; element.dataset.foo2 = foo; }

Rendered benchmark preparation results:

Previous results

Test case name	Result
getAttribute
dataset

Latest run results:

Run details: (Test run date: 5 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser/OS: Chrome 132 on Linux

Test name	Executions per second
getAttribute	394.2 Ops/sec
dataset	166.5 Ops/sec

getAttribute & setAttribute vs dataset (version: 1)