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Run results for:
Bench flatMap vs spread array
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
spread
41K/s
flatmap
5K/s
View exact numbers
Test name
Executions per second
✓
spread
40,527 Ops/sec
flatmap
4,979 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill([0,0,0])
Tests:
spread
[...arr];
flatmap
arr.flatMap((item) => item);