Run results for: for loop vs map

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Browser: Chrome 67

Operating system: Mac OS X 10.13.3

Device Platform: Desktop

Date tested: 5 years ago

Tests:

for loop
const prices = [56, 72, 36, 60]; let newPrices = []; for (let i = 0; i < prices.length; i++) { newPrices.push(prices[i] - (prices[i] * .10)); }
map
const prices = [56, 72, 36, 60]; const mapPrices = prices.map(function (price) { return price - (price * .10); });
map with arrow function
const prices = [56, 72, 36, 60]; const arrowPrices3 = prices.map(price => price - (price * .10));