Context Definition

To keep track of when we can allow a user to update data as opposed to just looking at it, the application must have a mechanism to know if the user is logged in or not. Since it might need this stateful information throughout our application, it is a good option to use React context variables.

About context components

A context component is like a global prop variable that we can inject at the top of the component tree and then access it from anywhere in the tree without explicitly passing the value down through the tree as props.

About the application

In this application, we’ll look at the creation, initialization, and injection of a context variable.

This is what the application looks like:

Note: To log in, use the username admin and password: 123