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Run results for:
flatMap vs flat+map vs map
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=617405" 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/140.0.0.0 Safari/537.36 Edg/140.0.0.0
Browser:
Chrome 140
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
flatmap
3810.6 Ops/sec
map+flat
3133.5 Ops/sec
map
16400.9 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill(0)
Tests:
flatmap
arr.flatMap((x) => [x, x])
map+flat
arr.map((x) => [x, x]).flat()
map
arr.map((x) => [x, x])