function getUserInput() {
                                let userInput = document.getElementById("userInput").value;

                                let returnObj = calculatePalindrome(userInput);

                                displayPalindrome(returnObj);
                            }

                            function calculatePalindrome(userInput) {
                                let reversed = [];
                                let returnObj = {};
                                let userInputNoSpaces = "";

                                userInput = userInput.toLowerCase();
                                let regex = /[^a-z0-9]/gi;
                                userInputNoSpaces = userInput.replace(regex, "");

                                for (let i = userInputNoSpaces.length - 1; i >= 0; i--) {
                                    reversed += userInputNoSpaces[i];    
                                }
                                
                                returnObj.reversed = reversed;
                                
                                if(userInputNoSpaces == reversed) {
                                    if(userInputNoSpaces.length == 1) {
                                        returnObj.msg = `I guess you could say "${userInput}" is a palindrome, but it only contains 1 character!`;
                                        returnObj.alert = "alert-warning";
                                    } else if(userInputNoSpaces.length < 1) {
                                        returnObj.msg = `You didn't enter anything! Please enter a word, sentence or phrase`;
                                        returnObj.alert = "alert-warning";
                                    } else {
                                        returnObj.msg = `Success! "${userInput}" is a palindrome! The string reversed is: "${returnObj.reversed}"`;
                                        returnObj.alert = "alert-success";
                                    }
                                } else {
                                    returnObj.msg = `Oh No! "${userInput}" is not a palindrome! The string reversed is: "${returnObj.reversed}"`;
                                    returnObj.alert = "alert-danger";
                                }
                                return returnObj;
                            }

                            function displayPalindrome(returnObj) {
                                result.classList.remove("alert", "alert-success", "alert-warning", "alert-danger", "invisible");
                                result.classList.add("alert", `${returnObj.alert}`);
                                result.innerHTML = `${returnObj.msg}`;
                            }