Run results for: setAttribute vs. dataset vs. direct

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

direct

1.2M/s

setAttribute

23K/s

dataset

13K/s

View exact numbers

HTML Preparation code:

<div id="foo"></div>

Tests:

setAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("foo", "bar"); }
dataset
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.dataset.foo = 'bar'; }
direct
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.foo = 'bar'; }