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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0

Browser: Firefox 91

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
filter().map()	227.9 Ops/sec
flatMap()	231.7 Ops/sec

Script Preparation code:

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

Tests: