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Run results for:
set.has vs. array.includes vs plain object
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=587804" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Array.includes
27648690.0 Ops/sec
Set.has
38309336.0 Ops/sec
Object access
36524808.0 Ops/sec
Script Preparation code:
var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; var b = new Set(a); var c = Object.fromEntries(a.map(e => [e, true]));
Tests:
Array.includes
return a.includes(3)
Set.has
return b.has(3)
Object access
return c[3]