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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:101.0) Gecko/20100101 Firefox/101.0

Browser: Firefox 101

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
filter().map()	259.3 Ops/sec
flatMap()	174.0 Ops/sec

Script Preparation code:

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

Tests: