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Run results for:
set.has vs. array.includes vs array.find vs map.has
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=614820" 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/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Set.has
223.1M/s
Map.has
219.9M/s
Array.find
114.5M/s
Array.includes
111.9M/s
View exact numbers
Test name
Executions per second
✓
Set.has
223,068,736 Ops/sec
Map.has
219,886,880 Ops/sec
Array.find
114,540,600 Ops/sec
Array.includes
111,884,616 Ops/sec
Script Preparation code:
var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; var b = new Set(a) var c = new Map(); a.forEach(x => c.set(x, x)) // just for test.
Tests:
Array.includes
return a.includes(9)
Set.has
return b.has(9)
Array.find
return a.find(x => x === 9)
Map.has
return c.has(9)