Run results for: flatMap vs reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
reduce with concat	2.9 Ops/sec
flatMap	5053.6 Ops/sec

Script Preparation code:

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

Tests: