Run results for: comparing flatMap vs filter and map in little arr length

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

filter & map

2.1M/s

flatMap

702K/s

View exact numbers

Test name	Executions per second
✓ filter & map	2,062,299 Ops/sec
flatMap	701,899 Ops/sec

Script Preparation code:

var arr = [];
let i = 0;

while (i <= 100) arr[i] = i++;

Tests: