Run results for: Map vs Math Pow

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser: Chrome 67

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Array Map	0.0 Ops/sec
Math Pow	4725.6 Ops/sec

Script Preparation code:

function rowSumOddNumbers1(n) {
  return ([...Array(n)].map((x, i) => ( (n-1) * 2) * (n/2) + (i * 2) + 1)).reduce((a, b) => a + b);
}

function rowSumOddNumbers2(n) {
  return Math.pow(n, 3)
}

Tests:

Array Map
for (let i = 0; i < 1000; i++) { rowSumOddNumbers1(i); }
Math Pow
for (let i = 0; i < 1000; i++) { rowSumOddNumbers2(i); }

Run results for: Map vs Math Pow

Array Map

Math Pow