CodeWarsKatas/AddingArrays.js at main · yueksek-onur/CodeWarsKatas · GitHub

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/**
 * Description:
 *
 * Create a function that takes an array of
 * letters, and combines them into words in a sentence.
 *
 * The array will be formatted as so:
 * [
 *  ['J','L','L','M'],
 *  ['u','i','i','a'],
 *  ['s','v','f','n'],
 *  ['t','e','e','']
 * ]
 *
 * The function should combine all the 0th
 * indexed letters to create the word 'just', all the
 * 1st indexed letters to create the word 'live', etc.
 *
 * Shorter words will have an empty string in
 * the place once the word has already been mapped
 * out (see the last element in the last element in the array).
 *
 * Examples:
 * [
 *  ['J','L','L','M'],
 *  ['u','i','i','a'],
 *  ['s','v','f','n'],
 *  ['t','e','e','']
 * ] // => "Just Live Life Man"
 *
 *
 * [
 *  [ 'T', 'M', 'i', 't', 'p', 'o', 't', 'c' ],
 *  [ 'h', 'i', 's', 'h', 'o', 'f', 'h', 'e' ],
 *  [ 'e', 't', '', 'e', 'w', '', 'e', 'l' ],
 *  [ '', 'o', '', '', 'e', '', '', 'l' ],
 *  [ '', 'c', '', '', 'r', '', '', '' ],
 *  [ '', 'h', '', '', 'h', '', '', '' ],
 *  [ '', 'o', '', '', 'o', '', '', '' ],
 *  [ '', 'n', '', '', 'u', '', '', '' ],
 *  [ '', 'd', '', '', 's', '', '', '' ],
 *  [ '', 'r', '', '', 'e', '', '', '' ],
 *  [ '', 'i', '', '', '', '', '', '' ],
 *  [ '', 'a', '', '', '', '', '', '' ]
 * ] // => "The Mitochondria is the powerhouse of the cell"
 *
 * Kata URL: https://www.codewars.com/kata/59778cb1b061e877c50000cc
 *
 *
 * @param {*} arr
 */

function arrAdder(arr) {
  let result = "";

  for (let j = 0; j < arr[0].length; j++) {
    for (let i = 0; i < arr.length; i++) {
      result += arr[i][j];
    }
    result += " ";
  }
  return result.slice(0, -1);
}

let a = [
  ["J", "L", "L", "M"],
  ["u", "i", "i", "a"],
  ["s", "v", "f", "n"],
  ["t", "e", "e", ""],
];

let b = [
  ["T", "M", "i", "t", "p", "o", "t", "c"],
  ["h", "i", "s", "h", "o", "f", "h", "e"],
  ["e", "t", "", "e", "w", "", "e", "l"],
  ["", "o", "", "", "e", "", "", "l"],
  ["", "c", "", "", "r", "", "", ""],
  ["", "h", "", "", "h", "", "", ""],
  ["", "o", "", "", "o", "", "", ""],
  ["", "n", "", "", "u", "", "", ""],
  ["", "d", "", "", "s", "", "", ""],
  ["", "r", "", "", "e", "", "", ""],
  ["", "i", "", "", "", "", "", ""],
  ["", "a", "", "", "", "", "", ""],
];

console.log(arrAdder(a));
console.log(arrAdder(b));