Learn how to use Aspose.Cells for JavaScript via C++ to add controls and customize charts in Microsoft Excel. This guIde demonstrates how to manipulate chart elements, adjust formatting, and enhance the overall appearance and usability of your charts....</ h1 > < input type = "file" id = "fileInput" accept = ".xls...button id = "runExample" > Run Example </ button > < a id = "downloadLink"...