Run results for: flatMap vs reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.77

Browser: Opera 91

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
reduce with concat	13.5 Ops/sec
flatMap	522.2 Ops/sec

Script Preparation code:

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

Tests: