How to calculate the IFNA function using the Aspose.Cells library for JavaScript via C++. Load an existing Excel file or create a new one, calculate the IFNA function to get the result, and finally save the modified Excel file to disk....body > < script src = "aspose.cells.js.min.js" ></ script > < script...${ valueA6 } </p>` ; }); </ script > </ html > Console Output...