Fortunately, JavaScript’s variable system is incredibly powerful and versatile. This article shows you how to use JavaScript variables to store numbers, text strings, objects, and other data types.

Fairly early on in the series, students will learn about working with strings in JavaScript, data types, and using template literals to format strings, before moving on to creating and populating ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.