Run results for: flatMap() vs filter().map() vs foreach and push

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:107.0) Gecko/107.0 Firefox/107.0

Browser: Firefox Mobile 107

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Script Preparation code:

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

Tests:

filter().map()
var result = arr.filter(x => x % 3).map(x => x/100)
flatMap()
var result = arr.flatMap(x => x % 3 ? x/100 : [])
foreach & push
var result = []; arr.forEach(x => { if (x%3) { result.push(x/100) } })