Number formatting (decimal form, fractional form, percents, etc.) Date formatting (elapsed time, am/pm) Predefined excel formats (Fixed, Standard, etc.) Localization ...

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 ...

The move is well-intentioned; it should make Excel even more powerful and ... on websites like multimedia modules and form submissions. But if JavaScript components aren't contained and limited ...

First, JavaScript in Excel. I mean, what could possibly go wrong? Last December, Microsoft published a Dev Center article that talked about using the new Excel JavaScript API to create add-ins for ...

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 ...

I only started noticing this problem for a little over a month. I built a taskpane add-in for Excel using office.js for one of our departments at work. For almost 2 years it has been working perfectly ...