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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Browser: Opera 117

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

flatMap()

460/s

filter().map()

395/s

View exact numbers

Test name	Executions per second
✓ flatMap()	460 Ops/sec
filter().map()	395 Ops/sec

Script Preparation code:

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

Tests: