Call Excel JavaScript APIs from a custom function when its calculation needs workbook data that isn't passed in as a parameter. For example, a custom function can read document properties, range ...

Each time certain types of changes occur in an Excel workbook, an event notification fires. By using the Excel JavaScript API, you can register event handlers that allow your add-in to automatically ...

This article provides code samples that set formatting for cells in a range with the Excel JavaScript API. Formatting includes fonts, colors, number formats, borders, and alignment. For the complete ...

When your Excel add-in needs to read, write, or format a cell, work with a Range object. The Excel JavaScript API doesn't include a "Cell" class. Instead, one cell in the Excel UI maps to a Range that ...