As with almost every programming language, JavaScript treats various types of values differently. A string like “Hello world” is very different from a number like 42. But what types are available, and ...

Some call it magic -- the ability to make objects appear suddenly out of nowhere. You can create this kind of magic on your website using a few lines of JavaScript ...

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 ...