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 ...

I am continuing my JavaScript learning and my quest through the GAS Sky Castle.In today's adventure, I encountered a spell I ...

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 ...

JavaScript's typed arrays provide a way to work with binary data and to work with structures that would otherwise be very difficult. In this chapter from my forthcoming book we look at the basic idea ...