Run results for: flatMap() vs filter().map()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 YaBrowser/25.4.0.0 Safari/537.36

Browser: Yandex Browser 25

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

flatMap()

677/s

filter().map()

558/s

View exact numbers

Test name	Executions per second
✓ flatMap()	677 Ops/sec
filter().map()	558 Ops/sec

Script Preparation code:

var arr = [];
var i = 0;

while (i <= 1E5) arr[i] = i++;

Tests: