Run results for: flatMap vs reduce

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; Pixel 3a) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.58 Mobile Safari/537.36

Browser: Chrome Mobile 99

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
reduce with concat	2.9 Ops/sec
flatMap	113.0 Ops/sec

Script Preparation code:

var arr = Array(10_000).fill(0)

Tests: