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// Custom implementation of Array.prototype.map function JS

/*

Eg. const arr = [1, 2, 3];

function incrementByTwo(x) {

return x + 2;

}

const newArr = customMap(arr, incrementByTwo) // result: [3, 4, 5]

*/

function customMap(arr, iterator) {

const resultArray = [];

for (let index = 0; index < arr.length; index++) {

resultArray.push(iterator(arr[index], index, this));

}

return resultArray;

}