//get values from user user
    function getValues(){

        let fizzNumber = document.getElementById("fizzValue").value;

        let buzzNumber = document.getElementById("buzzValue").value;

        //parse for numbers

        fizzNumber = parseInt(fizzNumber);
        buzzNumber = parseInt(buzzNumber);

        //check that the numbers are integers
        if(Number.isInteger(fizzNumber) && Number.isInteger(buzzNumber)){

            //we call fizzBuzz
            let fbArray = fizzBuzz(fizzNumber, buzzNumber);

            //call displayData and write the values to the screen
            displayData(fbArray);

        }

        else{
            alert("You must enter a integer")
        }

    }

    //Prints fizz buzz numbers
    function fizzBuzz(fizzValue, buzzValue){

        let fizzBuzzArray = [];
        let start = 1;
        let end = 100;

        //loop from 1 to 100
        for (let i = start; i < end; i++) {

            //check to see if numbers is divisible by both 3 & 5
            //check to see if numbers is divisible by fizz value 3
            //check to see if numbers is divisible by buzz value 5

            if (i % fizzValue == 0 && i % buzzValue == 0) {
                fizzBuzzArray.push('FizzBuzz')
            }
            else if(i % fizzValue == 0){
                fizzBuzzArray.push('Fizz');
            }
            else if(i % buzzValue == 0){
                fizzBuzzArray.push('Buzz');
            }
            else{
                fizzBuzzArray.push(i);
            }

        }

        return fizzBuzzArray;

    }

    //loop over the array and create a table row for each item
    function displayData(fbArray){

        //get the table body element fromt the page
        let tableBody = document.getElementById("results");

        //get the template row
        let templateRow = document.getElementById("fizzBuzzTemplate");

        //clear
        tableBody.innerHTML= "";

        for (let i = 0; i < fbArray.length; i += 5) {

            let tableRow = document.importNode(templateRow.content, true);

            //used to put into table array
            let rowCols = tableRow.querySelectorAll("td");
            rowCols[0].classList.add(fbArray[i])
            rowCols[0].textContent = fbArray[i];

            rowCols[1].classList.add(fbArray[i+1])
            rowCols[1].textContent = fbArray[i+1];

            rowCols[2].classList.add(fbArray[i+2])
            rowCols[2].textContent = fbArray[i+2];

            rowCols[3].classList.add(fbArray[i+3])
            rowCols[3].textContent = fbArray[i+3];

            rowCols[4].classList.add(fbArray[i+4])
            rowCols[4].textContent = fbArray[i+4];

            tableBody.appendChild(tableRow);

        }

        //add all the rows to the table.

    }

The code is structured in one funtion.

Hello World

Hello World is a function that displays an alert with a message of "Hello World"