Run results for: map and filter vs for

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/109.0

Browser: Firefox 109

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Map and Filter	846.6 Ops/sec
for loop	4186.1 Ops/sec

Script Preparation code:

var data = Array.from({length: 100000}, (_, i) => i);

Tests:

Map and Filter
const results = data .map((value) => value * 2) .filter((value) => value % 4 === 0); return results;
for loop
const length = data.length; const results = []; for (let j = 0; j < length; j++) { const value = data[j]; if (value % 2 === 0 && value % 4 === 0) { results.push(value * 2); } } return results;