Run results for: map and filter vs for

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0

Browser: Firefox 118

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
Map and Filter	462.7 Ops/sec
for loop	2130.8 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;