The functions that take a criteria -- like COUNTIF and COUNTIFS -- were evaluating the criteria expression as javascript, but it's not. Excel evaluates it using a much simpler syntax than javascript.

so it still has time to refine the implementation. In particular, observers say they hope Microsoft will turn JavaScript execution off by default, so Excel only allows the custom functions to run ...

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 ...

At its Ignite conference, Microsoft today announced an update to Excel that brings a new JavaScript API to the venerable spreadsheet app. With this new API, developers will be able to create ...

Microsoft will significantly expand the capabilities of its Excel spreadsheet: Users will be provided with a JavaScript API that will allow ... given a time frame for the completion of the final ...

At the Build 2018 developer conference that's taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel. What this means is that Excel users ...

Well, that didn’t take long. A few minutes after writing about the potential risks that might be introduced by Microsoft announcing JavaScript support in Excel custom functions, I wondered out loud ...

This is a straight-forward fork of the Crowd Process fork of formula.js. The Crowd Process fork is notable primarily for featuring significantly improved error ...