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 ...

New Excel JavaScript APIs are first introduced in "preview" and later become part of a specific, numbered requirement set after sufficient testing occurs and user ...

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 ...

To view API reference documentation for all APIs supported by Excel JavaScript API requirement set 1.2 or earlier, see Excel APIs in requirement set 1.2 or earlier.