Write a function called solution that replicates Array.prototype.map function and call it cMap
Callback takes 3 input parameters, element, index and original array. documentation
result = [5,8,7].cMap( (e, i, arr) => {
console.log(e, i, arr)
return e + i
})
// console.log will be called 3 times:
// 5, 0, original array
// 8, 1, original array
// 7, 2, original array
// result will be [5, 9, 9]