arrays.js

var chocolateBars = ["snickers", "hundred grand", "kitkat", "skittles"]

function addElementToBeginningOfArray(array, element) {
return [element, ...array];
}

function destructivelyAddElementToBeginningOfArray(array, element) {
array.unshift(element)
return array
}

function addElementToEndOfArray(array, element) {
  return [...array, element];
}

function destructivelyAddElementToEndOfArray(array, element) {
  array.push(element)
  return array
}

function accessElementInArray(array, index) {
  return array[index]
}

function destructivelyRemoveElementFromBeginningOfArray(array) {
  array.shift(array)
  return array
}

function removeElementFromBeginningOfArray(array) {
  array = array.slice(1)
  return array
}

function destructivelyRemoveElementFromEndOfArray(array) {
  array.pop(array)
  return array
}

function removeElementFromEndOfArray(array) {
  array = array.slice(0, array.length - 1)
  return array
}