JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

The introduction of dynamic arrays triggered the biggest change to how we work with Microsoft Excel formulas in years, if not decades. They allow a single formula to spill multiple results into ...

Q. Could you explain how the UNIQUE function works in Excel? A. Excel’s UNIQUE is a dynamic array function that can be an essential tool for data analysts and accountants. This function allows users ...

Macros are powerful, but they don't work on the web or mobile. I’ve switched to the native REDUCE function for my complex ...