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Run results for:
flatMap vs flat+map
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0
Browser:
Firefox 135
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
flatmap
2084.1 Ops/sec
map+flat
1665.7 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()