Learn how JavaScript’s built-in functions like map() and filter(), as well as compose() and chain(), support a more elegant handling of JavaScript arrays.

The FILTER function was introduced five years ago as part of the Excel Dynamic Arrays rollout. The function has all the filtering power of the venerable filter feature but can perform more tasks, ...

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.