In general, handling array functions like we’ve seen here, using JavaScript’s built-in functions like map() and filter(), is an excellent application of the power of functional programming.

Excel’s BYCOL() and BYROW() functions evaluate data across columns and rows, returning an array result set allowing you to bypass a lot of work.

If you're still manually sifting through massive spreadsheets or relying on clunky, old-school sorting tools, you're doing it ...

The dynamic array function, UNIQUE () has been around for a while, so it’s possible that you already know how to use it. If that’s the case, feel free to skip this section.

Let’s do an example where we will use the UNIQUE function to create a list of unique customers, as we did above, but let’s filter the list based on whether the customer is active. In cell E2, again ...

Dynamic array functions transform how you work with multiple values simultaneously. They are ideal for automating repetitive tasks, analyzing datasets, and creating dynamic outputs.

The "cat" function also takes an array dimension as the first parameter, as in the following command:array3 = cat (1, set1, set2);The variable "array3" will be a one-dimensional array in this case.

Using Array Functions with Dynamic Arrays You can use dynamic arrays with the other existing array functions (DIM, HBOUND, LBOUND) as long as the array has been created with MAKEARRAY or REDIM. If ...