//Get values from the HTML, reverse the message and then display.
                            function getValue(){
                                let message = document.getElementById("message").value;
                                let revMessage = reverse(message);
                                displayReversed(revMessage);
                                
                            }
                            //Reverse and remove special charecters + extra spacing.
                            //Return the reversed string.
                            function reverse(message){
                                let revMessage = "";
                                message = message.replace(/[^a-zA-Z0-9]/g, "");
                                //decrementing for loop
                                for (let i = message.length-1; i >= 0; i--){
                                    revMessage += message[i];
                                }
                                return revMessage;
                            }
                            //Input the reversed message into the div with an id of results.
                            function displayReversed(revMessage){
                                results.innerHTML = "";
                                results.innerHTML = revMessage;
                            }