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Run results for:
Object literal vs Object.create(null) v4 13.07.2023
compare performance of object creating non-empty objects using object literal vs Object.create
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<iframe src="https://measurethat.net/Embed?id=602381" 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
Object.create(null)
8111.5 Ops/sec
object literal
346890.8 Ops/sec
Tests:
Object.create(null)
let o; const create = Object.create.bind(null, null); for (let i = 0; i < 10000; i++) { o = create() }
object literal
let o; for (let i = 0; i < 10000; i++) { o = {} }