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 ...

Arrays are wonderful and a very particular type in JavaScript. There are many useful built-in properties and methods that will help you resolve any task which involves this kind of type. Today, we’re ...

When I first discovered Excel's dynamic array functions, my entire approach to spreadsheet design shifted. They replaced my clunky, multistep workarounds with smart, self-expanding formulas that adapt ...

Microsoft Excel’s dynamic array function XLOOKUP() might completely replace VLOOKUP() and HLOOKUP(). Microsoft Excel’s lookup functions are powerful but often misunderstood because they have a few ...

Have you ever found yourself staring at a sea of blank cells in Excel, wondering how to fill them without hours of manual effort? For years, this has been a frustrating bottleneck for professionals ...

Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

Microsoft Excel’s new FILTER() function is a great tool for reporting and dashboards. We’ll show you how to use it to get more done. Filtering is a huge part of many Microsoft Excel sheets, and ...