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Run results for:
dataset keys vs attributes.filter
checks which is faster between dataset and filtering attributes
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<iframe src="https://measurethat.net/Embed?id=593867" 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/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
attributes
125/s
dataset
88/s
View exact numbers
Test name
Executions per second
✓
attributes
125 Ops/sec
dataset
88 Ops/sec
HTML Preparation code:
<div id="foo" class="foo bar bazzer" data-foo="foo_id" data-bar="bar_id" data-bazzer="bazzer_id"></div>
Tests:
attributes
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = Object.fromEntries([...element.attributes].filter(({ name }) => name.startsWith("data-")).map(({ name, value }) => ([name.slice(5), value]))); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = { ...element.dataset }; }