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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

filter().map()

1K/s

flatMap()

865/s

View exact numbers

Test name	Executions per second
✓ filter().map()	1,149 Ops/sec
flatMap()	865 Ops/sec

Script Preparation code:

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

Tests: