function getTokens(rawString) {
  // NB: `.filter(Boolean)` removes any falsy items from an array
  return rawString.toLowerCase().split(/[ ,!.";:-]+/).filter(Boolean).sort();
}

function mostFrequentWord(text) {
  let words = getTokens(text);
  let wordFrequencies = {};
  for (let i = 0; i <= words.length; i++) // setting variable of words to defined and word frequencies to a for loop. Increase variable i by 1 if words array element  is > words.length
  {
    if (words[i] in wordFrequencies) {
      wordFrequencies[words[i]]++;
      // if a word in the text of wordFrequencies array is used more than once catalog the count else..
    } else {
      wordFrequencies[words[i]] = 1;
    }
    // count a single use as 1
  }
  let currentMaxKey = Object.keys(wordFrequencies)[0];
  //to show with an array the words that occur most frequently
  let currentMaxCount = wordFrequencies[currentMaxKey];
  //to show with an array the count of the currentMaxkey words

  for (let word in wordFrequencies) {
    if (wordFrequencies[word] > currentMaxCount) {
      currentMaxKey = word;
      currentMaxCount = wordFrequencies[word];
      // if a word is greater than the currentmaxcount the current max key will be the new word and the new count will be the count of the new word?
    }
  }
  return currentMaxKey;
  //this will return the array of the current max words with name and count
}