Run results for: forEach vs map logged

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Browser: Chrome 79

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
forEach	9186.7 Ops/sec
map	9238.9 Ops/sec

Tests:

forEach
const numbersArray = [32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 14, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 17, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 16, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35]; let resultArray = []; numbersArray.forEach(element => { return resultArray.push(element ** 2); }); console.log(resultArray);
map
const numbersArray = [32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 14, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 17, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35, 32, 21, 22, 28, 16, 26, 31, 30, 27, 28, 33, 33, 34, 25, 35]; const resultArray = numbersArray.map(element => { return element ** 2; }); console.log(resultArray);