The Code

                            
                                //display a message to the user

                                function displayMessage(){
                                    //declare variable
                                    let msg = "";
                                    //pull the value from the input box
                                    msg = document.getElementById("message").value;
                                    
                                    alert(msg);
                                }
                                function displayMessage2(){
                                    let msg = "";
                                    msg = document.getElementById("message").value;
                                    Swal.fire(msg);
                                
                                }
                            
                        

The Code is structured in one function

DisplayMessage

Prints out Hello App!

DisplayMessage2

Shows SweetAlert message