A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules: It can contain letters and numbers but must start with a letter. It must contain at least ...

A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules known as a naming convention: It can contain letters and numbers but must start with a ...

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 ...

Functions are fundamental to code organization; they exist in all higher order programming languages. Generally, functional programming means using functions to the best effect for creating clean and ...