Run results for: flatMap vs reducedddd

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36 OPR/79.0.4143.50

Browser: Opera 79

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
reduce with concat	17177.1 Ops/sec
flatMap	508.3 Ops/sec

Script Preparation code:

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

Tests: