The Code

//Get the input values.
function GetValues() {
  //Get the user inputs from the page and parse them into numbers
  let swiftValue = parseInt(document.getElementById('swiftValue').value);
  let buzzValue = parseInt(document.getElementById('buzzValue').value);
  let stopValue = parseInt(document.getElementById('stopValue').value);

//Check to make sure only numbers were entered
if (Number.isInteger(swiftValue) && Number.isInteger(buzzValue) && Number.isInteger(stopValue)) {
  if(stopValue>5000){
    //If the stop value is larger than 5000 to protect the page from crashing
    Swal.fire({
      icon: 'error',
      title: 'Oops!',
      text: 'Stop Value should be less than 5000'
    });
    }
    else if(swiftValue==0||buzzValue==0){
    //Make sure the user didnt enter a 0 value for swift or buzz
    Swal.fire({
      icon: 'error',
      title: 'Oops!',
      text: 'Swift and Buzz values cannot be 0'
    });
    }
    else{
       //If all are numbers Generate FizzBuzz then display it.
    let possibleValues = GenerateFizzBuzzDry(swiftValue, buzzValue, stopValue);
    DisplayFizzBuzz(possibleValues);
    }
}
else
    {
      //If they are not, tell the user
      Swal.fire({
        icon: 'error',
        title: 'Oops!',
        text: 'Only integers are allowed for SwiftBuzz'
      });
    }
}

//Generate the FizzBuzz.
function GenerateFizzBuzz(swiftValue, buzzValue, stopValue) {

  let swiftBuzzArray = [];

  for (let i = 0; i <= stopValue; i++) {
    if (i % (swiftValue * buzzValue) == 0) {
      //Put Fizz Buzz Result Here
      swiftBuzzArray.push('SwiftBuzz');
    }
    else if (i % swiftValue == 0) {
      //Put Swift Result Here
      swiftBuzzArray.push('Swift');
    }
    else if (i % buzzValue == 0) {
      //Put Buzz Result Here
      swiftBuzzArray.push('Buzz');
    }
    else {
      //Put Plain Number Here
      swiftBuzzArray.push(i);
    }


  }

  return swiftBuzzArray
}

//Display the result to the screen.
function DisplayFizzBuzz(swiftBuzzArray) {
  let tableBody = document.getElementById('results');
  let tableHTML = "";

  for (let i = 1; i < swiftBuzzArray.length; i++) {
    let value = swiftBuzzArray[i]
    let className = '';

    if (value == 'Swift') {
      className = 'swift';
    }
    else if (value == 'Buzz') {
      className = 'buzz';
    }
    else if (value == 'SwiftBuzz') {
      className = 'swiftBuzz';
    }
    else{
      className='';
    }

    //Force Table to only be 5 columns wide
    if (i-1% 5 == 0) {
      tableHTML += ''
    }

    //Generate the td html for each result and append it to the existing tableHTML
    let tableData = `${value}`
    tableHTML += tableData;

    /*Check if the next index is divisible by 5 and if so
   close our tr tag on the current row*/
    if ((i) % 5 == 0) {
      tableHTML += '';
    }
  }
  tableBody.innerHTML = tableHTML;
  recursiveSwiftBuzzArray = [];
  counter = 0;
}