Run results for: flatMap vs reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:92.0) Gecko/20100101 Firefox/92.0

Browser: Firefox 92

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
reduce with concat	0.6 Ops/sec
flatMap	1473.9 Ops/sec

Script Preparation code:

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

Tests: