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Run results for:
getAttribute + setAttribute vs dataset vs Map (for loop 1K)
Compare getAttribute & setAttribute with dataset
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<iframe src="https://measurethat.net/Embed?id=604016" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
getAttribute
7321.3 Ops/sec
dataset
4851.6 Ops/sec
new Map();
109236.7 Ops/sec
HTML Preparation code:
<div id="foo" data-foo="foo_id"></div>
Tests:
getAttribute
var element = document.getElementById("foo"); for (let i = 0; i < 1000; ++i) { var originalAttribute = element.getAttribute("data-foo"); element.setAttribute("data-foo", String(i)); var newAttribute = element.getAttribute("data-foo"); }
dataset
var element = document.getElementById("foo"); for (let i = 0; i < 1000; ++i) { var originalAttribute = element.dataset.foo; element.dataset.foo = String(i); var newAttribute = element.dataset.foo; }
new Map();
var dataset = new Map(); var element = document.getElementById("foo"); dataset.set(element, element.dataset.foo); for (let i = 0; i < 1000; ++i) { var originalAttribute = dataset.get(element); dataset.set(element, String(i)); var newAttribute = dataset.get(element); }