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Run results for:
flatMap vs reduce (push)
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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
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
reduce with push
71.4 Ops/sec
flatMap
20.5 Ops/sec
Script Preparation code:
var data = []; for (let i = 0; i < 100000; i++) { data[i] = Array(10).fill(0); }
Tests:
reduce with push
data.reduce((acc, x) => { acc.push(...x); return acc; } , []);
flatMap
data.flatMap(x => x);