// Sep One - controller/accepts requests
                            function getValues() {
                                // Get values from user
                                let fizzValue = document.getElementById("fizzValue").value;
                                let buzzValue = document.getElementById("buzzValue").value;
                                // Check for numbers
                                fizzValue = parseInt(fizzValue);
                                buzzValue = parseInt(buzzValue);
                                if (Number.isInteger(fizzValue) && Number.isInteger(buzzValue)) {
                                    let fbValues = fizzBuzzA(fizzValue, buzzValue);
                                    displayValues(fbValues);
                                } else {
                                    alert("You must enter integers!");
                                }
                            }
                            // Business Logic layer - Model
                            function fizzBuzzA(fizz, buzz) {
                                // Create array
                                let fbValues = [];
                                for (let i = 1; i < 100; i++) {
                                    if (i % fizz == 0 && i % buzz == 0) {
                                        fbValues.push('FizzBuzz');
                                    } else if (i % fizz == 0) {
                                        fbValues.push('Fizz');
                                    } else if (i % buzz == 0) {
                                        fbValues.push('Buzz');
                                    } else {
                                        fbValues.push(i);
                                    }
                                }
                                return fbValues;
                            }
                            // Final Step - view
                            function displayValues(fbValues) {
                                let element = document.getElementById("results");
                                // For loop
                                for (let i = 0; i < fbValues.length; i++) {
                                    let item = document.createElement("div");
                                    item.classList.add("col");
                                    item.innerHTML = fbValues[i];
                                    if (fbValues[i] == 'Fizz') {
                                        item.classList.add("fizz");
                                    } else if (fbValues[i] == 'Buzz') {
                                        item.classList.add("buzz");
                                    } else if (fbValues[i] == 'FizzBuzz') {
                                        item.classList.add("fizzbuzz");
                                    }
                                    element.appendChild(item);
                                }
                            }
                        
                    

The code is structured in two functions:

getValues

Gets values from the user

displayValues

Displays the values on the page