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

function mostFrequentWord(text) {
  // Get tokens using getToken function
  let words = getTokens(text);
  let wordFrequencies = {};
  //This loops through every word to count the frequencies of word
  for (let i = 0; i <= words.length; i++) {
  // Inspects to see if word is already in object wordFrequencies
    if (words[i] in wordFrequencies) {
      wordFrequencies[words[i]]++;
    } else {
      wordFrequencies[words[i]] = 1;
    }
  } //Gets first key through wordFrequencies
  let currentMaxKey = Object.keys(wordFrequencies)[0];
  let currentMaxCount = wordFrequencies[currentMaxKey];

  for (let word in wordFrequencies) {
    //Again, loops through word to find highest frequency word
    if (wordFrequencies[word] > currentMaxCount) {
      currentMaxKey = word;
      currentMaxCount = wordFrequencies[word];
    }
  }
  //returns highest count word
  return currentMaxKey;
}