Run results for: flatMap vs reduce 1111111

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
flatMap	40.6 Ops/sec
reduce	44.9 Ops/sec

Script Preparation code:

var values = []
for(i=0; i<100000; i++){ values.push([i, i]) }

Tests:

flatMap
values.flatMap(e =>e % 2 === 0 ? [e, e * 2] : [])
reduce
values.reduce((acc, x) => { if (x % 2 === 0) acc.concat([i, i * 2]); return acc; }, [])