Run results for: dataset vs setAttribute

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Falkon/24.01.80 QtWebEngine/6.6.1 Chrome/112.0.5615.213 Safari/537.36

Browser: Chrome 112

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
dataset	1495.2 Ops/sec
setAttribute	1931.5 Ops/sec

HTML Preparation code:


<div id='set' data-open="0"></div>

Tests:

dataset
const elem = document.getElementById("set"); var i = 1000; while (i--) { elem.dataset.open = "1"; }
setAttribute
const elem = document.getElementById("set"); var i = 1000; while (i--) { elem.setAttribute('data-open', '1') }