Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

The whole of the JavaScript language is built on one central data structure - the associative array. Objects in JavaScript are just associative arrays and this causes a lot of confusion at first. But ...

You are probably already familiar with JavaScript’s set of highly flexible variable types. We don’t need to review them here; they are very powerful and capable ...