Proxy Objects The Excel JavaScript objects declared and used in an add-in are proxy objects for the real objects in an Excel document. All actions taken on proxy objects are not realized in Excel, and ...

Shortly after Microsoft announced support for custom JavaScript functions in Excel, someone demonstrated what could possibly go wrong if this feature is abused for malicious purposes. As promised last ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.

Microsoft recently announced a developer preview release supporting JavaScript to create custom functions directly in Excel. This addition moves beyond the existing Microsoft Office JavaScript API ...

Excel developers will be able to create their own add-ins or update existing ones with the new JavaScript API. This addition is expected to open Excel up for far more fantastic custom data types, ...

Microsoft is launching a couple of features to Excel today that make the ubiquitous spreadsheet software a bit more powerful. Among the new features is support for Azure Machine Learning and ...

According to Excel program managers Michael Saunders and Johnnie Thomas, who introduced the new feature at this week's Microsoft Build developer conference, the custom Javascript functions extend ...

Excel JavaScript API programming overview This article covers the fundamentals of using the Excel JavaScript API to build add-ins for Excel 2016. For more details about the Excel JavaScript API, see ...