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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

filter().map()

250/s

flatMap()

105/s

View exact numbers

Test name	Executions per second
✓ filter().map()	250 Ops/sec
flatMap()	105 Ops/sec

Script Preparation code:

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

Tests: