Booleans

Booleans represent logical values: true or false. They're essential for making decisions in your code.

Boolean Values

Truthy and Falsy Values

JavaScript treats some values as "truthy" or "falsy" in boolean contexts:

Boolean Operations

Exercise: Age Check

Create a boolean to check if someone is a teenager:

Exercise: Access Check

Check if a user can access content (must be logged in AND adult):