Run results for: flatMap vs reduce v1.1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser: Chrome 139

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
reduce	255.6 Ops/sec
flatMap	96.5 Ops/sec

Script Preparation code:

var arrayOfArray = Array(1_000).fill(Array(1_000).fill(0))

Tests:

reduce
[...arrayOfArray].reduce((acc, arr) => { acc.push(...arr); return acc; }, [])
flatMap
arrayOfArray.flatMap(arr => arr)