// get the values from the Page
                    //starts or controller function
                    function getValues(){
                        // get values from the page
                        let startValue = document.getElementById("startValue").value;
                        let endValue = document.getElementById("endValue").value;
                    
                        // parse into Intergers
                        startValue = parseInt(startValue);
                        endValue = parseInt(endValue);
                    
                        if(Number.isInteger(startValue) && Number.isInteger(endValue)){
                            // we call generateNumbers
                            let numbers = generateNumbers(startValue, endValue);
                            // we call displayNumbers
                            displayNumbers(numbers);
                        }else{
                            alert("Please enter a valid number");
                        }
                        
                    }
                        
                    
                    // generate numbers from startvalue to the endValue
                    // logic functions(s)
                    function generateNumbers(sValue, eValue){
                    
                        let  numbers = [];
                    
                     
                    // we want to get all numbers from start to end
                    for(let index = sValue; index <= eValue; index++){
                        // this will execute in a loop until index = eValue
                        
                            numbers.push(index);
                        }
                    
                        return numbers;
                    }
                    
                    
                    // display the numbers and mark even numbers bold
                    // display or view functions
                    function displayNumbers(numbers){
                        
                        let templateRows = "";
                    
                        for(let index = 0; index < numbers.length; index++){
                     
                            let className ="even";
                    
                            let number = numbers[index];
                            // determine if a number is even or odd
                            
                            if(number % 2 == 0){
                                className = "even";
                            }else{
                                className = "odd";
                            }
                            // This does render correctly with Prism see the source
                            templateRows += `${number}`;
                            templateRows += `${number}
                            
                            // Get results from template rows
                            document.getElementById("results").innerHTML = templateRows;
                    
                    
                        }
                    }
                
                

The code is in four different functions to make it easier to use the Model View Controller (MVC) method.