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Run results for:
Object.fromEntries vs classic for (fixed: Object.fromEntries)
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=628507" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:150.0) Gecko/20100101 Firefox/150.0
Browser:
Firefox 150
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
Object.fromEntries
312.9 Ops/sec
For
366.7 Ops/sec
Script Preparation code:
const data = Array.from(Array(10000).keys());
Tests:
Object.fromEntries
Object.fromEntries(data.map((idx) => [`id-${idx}`, idx]));
For
const a = {} for (let idx of data) { a[`id-${idx}`] = idx; }