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Run results for:
concat vs flatMap
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
concat
406825.8 Ops/sec
flatMap
290253.2 Ops/sec
Tests:
concat
ids = Array.from(Array(10).keys()); [].concat(...ids.map(a => [a]));
flatMap
ids = Array.from(Array(10).keys()); ids.flatMap(a => [a]);