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

//declairing the function and using the object text as an argument
function mostFrequentWord(text) {
//declairing the variable words will be used to save the function written just after with getTokens
  let words = getTokens(text);
//declairing the wordFrequencies to be equal to an empty object
  let wordFrequencies = {};
//a loop that will increase as long as i is less than or equal to the length of the variable words
  for (let i = 0; i <= words.length; i++) {
  //if a word appears that is already in the wordFrequencies then it will add 1 to the counter
    if (words[i] in wordFrequencies) {
      wordFrequencies[words[i]]++;
    } else {
//If the word hasnt happened yet it will make the counter equal to 1
      wordFrequencies[words[i]] = 1;
    }
  }
  //Declares a variable that calls on tghe first item within the wordFrequencies object
  let currentMaxKey = Object.keys(wordFrequencies)[0];
  //declares that a variable that is equal to the value of the currentMaxKey is within the wordFrequencies object
  let currentMaxCount = wordFrequencies[currentMaxKey];

//makes a loop that checks if the newest iteration provides a word that is greater than the current most frequent then it will become th
new currentMaxKey, it will also change its value according to the number of times the word occurred
  for (let word in wordFrequencies) {
    if (wordFrequencies[word] > currentMaxCount) {
      currentMaxKey = word;
      currentMaxCount = wordFrequencies[word];
    }
  }
  //returns the current most frequent word along with the number of times it appeared
  return currentMaxKey;
}