Array.join(), for example, will take the array that .join() was added to and turn it into a single string. Don't worry to much about functions and methods, though. We'll cover that stuff tomorrow.

The REGEX functions are available for people using Excel for Microsoft 365 on Windows or Mac, as well as those using Excel ...

Evaluation Using 1D arrays to store data. ... In the inefficient example, ... This requires much more code to be written and is less efficient than creating an array capable of storing ten elements.