# REVIEW JavaScript week 2

```
This review covers:
• Intro JavaScript (What is it, where can you use it for)
• Variables [var, let, const]
• Basic value types [Strings, Numbers, Arrays, Booleans]
• Operators
• Naming conventions
```

## Variables

A "variable" is a place where you can store information, such as a string, or a number. A variable has a _name_ (that you choose) and a _value_. New variables in JavaScript are declared using one of three keywords: `let`, `const`, or `var`.

[Read more...](../fundamentals/variables.md)

## Values

Values are the "things" that you assign to a variable. All values have a type. In our example above, the variable `x` is assigned a value of type `number`. JavaScript supports the following types:

[Read more...](../fundamentals/values.md)

## Operators

- Comparison operators (equality, relational)
- Arithmetic operators
- Logical operators
- `typeof` operator
- Assignment operators

[Read more...](../fundamentals/operators.md)

## Naming conventions

In programming you will need to come up with appropriate names for your variables and functions.

[Read more...](../fundamentals/naming_conventions.md)