// Set the invoice total price element text to the total amount
                invoiceTotalPrice.innerText = "$" + totalAmount.toFixed(2);
                // Append the invoice total price element to the invoice total element
                invoiceTotal.appendChild(invoiceTotalPrice);
                // Append the invoice total element to the invoice list element
                invoiceList.appendChild(invoiceTotal);
                // Append the invoice section element to the body
                document.body.appendChild(invoiceSection);
            } else {
                // Alert the user that the cart is empty
                alert("Your cart is empty!");
            }
        }
    </script>
</body>
</html>