arraypt2.js

////////// TASK 1 //////////

/**
 * isArrayLengthOdd(numbers):
 * - receives array `numbers`
 * - returns true if array has an odd length
  let num = isOdd(12);
console.log(num);number of elements
 * - returns false otherwise
 *
 * e.g.
 * isArrayLengthOdd([1, 2, 3]) -> true
 * isArrayLengthOdd([1, 2, 3, 4]) -> flase
 */
function isArrayLengthOdd(numbers) {
  // Your code here
  if (numbers.length % 2 == 0) {
    return false;
  } else {
    return true;
  }
}

console.log(isArrayLengthOdd([1, 2, 3]));

////////// TASK 2 //////////

/**
 * isArrayLengthEven(numbers):
 * - receives array `numbers`
 * - returns true if array has an even number of elements
 * - returns false otherwise
 *
 * e.g.
 * isArrayLengthEven([1, 2, 3]) -> false
 * isArrayLengthEven([1, 2, 3, 4]) -> true
 */
function isArrayLengthEven(numbers) {
  // Your code here
  if (numbers.length % 2 != 0) {
    return false;
  } else {
    return true;
  }
}

console.log(isArrayLengthEven([1, 2, 3]));

////////// TASK 3 //////////

/**
 * addLailaToArray(instructors):
 * - receives array `instructors`
 * - returns a new array that's a copy of array `instructors` with additional string "Laila"
 *
 * e.g.
 * addLailaToArray(["Mshary", "Hasan"]) -> ["Mshary", "Hasan", "Laila"]
 */

function addLailaToArray(instructors) {
  // Your code here
  let addLailaToArray = ["Mshary", "Hasan"];
  addLailaToArray.push(instructors);
  console.log(addLailaToArray);
}

addLailaToArray("Laila");

////////// TASK 4 //////////

/**
 * eliminateTeam(teams):
 * - receives array `teams`
 * - removes the last element from the array and return it
 *
 * e.g.
 * eliminateTeam(["Brazil", "Germany", "Italy"]) -> "Italy"
 */
function eliminateTeam(teams) {
  // Your code here
  // let x = ["Brazil", "Germany", "Italy"];

  return console.log(teams.pop());
}

eliminateTeam(["Brazil", "Germany", "Italy"]);