function addItem() {
    let menu = document.getElementById("menu");
    let menuItemText = document.getElementById("newItemText");
    let menuItemValue = document.getElementById("newItemValue");

    let newOption = document.createElement("option");
    newOption.textContent = menuItemText.value;
    newOption.value = menuItemValue.value;

    menu.appendChild(newOption);

    menuItemValue.value = null;
    menuItemText.value = null;
}