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Run results for:
Array Objects to Set and has vs Array.find
Which is fastest? Array of objects, with the ID mapped to `Set` finally looked up with `has`, or directly using `Array.find`
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=510406" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Array to Set and has
600416.9 Ops/sec
Array.find
8107981.5 Ops/sec
Script Preparation code:
data = [...Array(100)].map((_, id) => ({ id, data: Math.random() }))
Tests:
Array to Set and has
const response = new Set(data.map(({ id }) => id)).has(95)
Array.find
const response = data.find(({ id }) => id === 95)