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Run results for:
flatMap vs reduce spread vs reduce push
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=566432" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
reduce with spread
1.7 Ops/sec
flatMap
3515.0 Ops/sec
reduce with push
4361.5 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill(0)
Tests:
reduce with spread
arr.reduce((acc, x) => [...acc, x, x], [])
flatMap
arr.flatMap(x => [x, x])
reduce with push
arr.reduce((acc, x) => (acc.push(x, x), acc), [])