const sweetArray = [2, 3, 4, 5, 35] const sweeterArray = sweetArray.map(sweetItem => { return sweetItem * 2 }) console.log(sweeterArray)
const array1 = [1, 4, 9, 16]; // pass a function to map const map1 = array1.map(x => x * 2); console.log(map1); // expected output: Array [2, 8, 18, 32]
let new_array = arr.map(function callback( currentValue[, index[, array]]) { // return element for new_array }[, thisArg])