React Context

How React Context Works

How to Create a Context Object

The syntax of the createContext API

Example: Create a context object

How to Use the Value of a Context Object

The syntax of the useContext Hook

Example: Consume a context object’s value

How to Configure a Parent Component to Provide a Context Value to All Its Descendant Components

The syntax of the context provider

Example: Provide context value to descendant components

How to Override the Context Value Provided to a Child Component

Example: Override a pre-defined context

Example: useContext reads only the providers above its calling component

How to Make a Context Object Available to Multiple Files

1. Create a file for your context objects

2. Create and export your context objects

3. Provide context value to a component tree

4. Consume the context value in a descendant component

5. Create the entry script

How to Create a Dynamic Context Value with React State

Essential Things to Know About React Context

1. Prop drilling

2. children prop