Steps to implement useContext Hook in React App

Step 1: Create a React application using the following command:

npx create-react-app react-app

Step 2: After creating your project folder, i.e., react-app, move to it using the following command:

cd react-app

Project Structure: It will look like the following:

The updated dependencies in the package.json file will look like:

"dependencies": {
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-scripts": "5.0.1",
    "run": "^1.4.0",
    "web-vitals": "^2.1.4"
}

In React, the useContext hook is used to consume values from a context. Context in React is a way to share values like themes, authentication status, or any other global state between components without explicitly passing the props through each level of the component tree.

Syntax of useContext Hook:

const authContext = useContext(initialValue);