Run results for: setAttribute vs. dataset vs. direct

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

direct

2.2M/s

setAttribute

34K/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'; }