reverseElementArray.js

// basically it asks to create a function that reverse the whole string without reverse the positions of the words.
// "Three Blind mice"
// "eerhT dnilB ecim"

var stringToArray = function (str) {
  return str.split(' ')
}
// ['Three', 'Blind', 'mice']
var reverseElementsInArray = function (arr) {
  return arr.map(function(element) {
    return element.split('')
                  .reverse()
                  .join('')
  })
}
// ['eerhT', 'dnilB', 'ecim']
var arrayToSentence = function (arr) {
  return arr.join(' ')
}
// "eerhT dnilB ecim"

var oneLiner = function (str) {
  return str.split(' ')
  .map(function(element) {
    return element.split('')
                  .reverse()
                  .join('')
  })
  .join(' ')
}