Run results for: flatMap vs reduce using push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

reduce with concat

11K/s

flatMap

4K/s

View exact numbers

Test name	Executions per second
✓ reduce with concat	10,837 Ops/sec
flatMap	4,128 Ops/sec

Script Preparation code:

var arr = Array(10_000).fill({arr: [0,1]})

Tests: