Makes multidimensional array from an existing array

multidimensional-array.js

function makeMultidimensionalArray(inputArray, arraysCount = 20, arrayLength = 1) {
  return [...Array(arraysCount)] // Create an array with number of elements (default = 20)
    .map((item, index) => {
      return Array(arrayLength).fill(inputArray[index]) // Make an inner array with the length of "index" (default = 1)
    })
}