React Tutorial Full Course - Beginner to Pro (React 19, 2025)

Introduction

This tutorial is designed to guide you through the comprehensive React course offered by SuperSimpleDev. It covers essential concepts and practical applications of React, including building projects like a chatbot and an ecommerce site. By the end of this tutorial, you will have a solid understanding of React, JavaScript, HTML, and CSS, equipping you with the skills needed to become a proficient web developer.

Step 1: Learn React Basics and JSX

• Understand the foundational concepts of React.
• Get familiar with JSX, which allows you to write HTML-like syntax within JavaScript.
• Practical Tip: Start by creating a simple React component using JSX.

Example Code

const Greeting = () => {
  return <h1>Hello, World!</h1>;
};

Step 2: Explore Components and Props

• Learn how to create reusable components in React.
• Understand how to pass data to components using props.
• Start the Chatbot project to apply these concepts.

Example Code

const Chatbot = (props) => {
  return <div>{props.message}</div>;
};

Step 3: Manage State and Event Handlers

• Discover how to manage component state using the useState hook.
• Learn how to handle user events like click or input changes.
• Enhance your Chatbot project by adding user interaction.

Example Code

const [message, setMessage] = useState('');

const handleChange = (event) => {
  setMessage(event.target.value);
};

Step 4: Implement CSS with React and Explore Hooks

• Understand how to style your components using CSS.
• Get acquainted with React Hooks for managing state and side effects.
• Finish building the Chatbot project with improved styling and functionality.

Practical Advice

• Use CSS modules or styled-components for better styling management.

Step 5: Set Up React with Vite

• Learn how to set up a new React project using Vite for faster development.
• Understand the benefits of using Vite over traditional tools.

Steps to Set Up

1. Install Vite globally using npm.

   npm install -g create-vite
   

2. Create a new Vite project.

   create-vite my-react-app --template react
   

Step 6: Use React Router for Navigation

• Learn how to implement routing in your React applications with React Router.
• Start the Ecommerce project by setting up multiple pages.

Important Setup

• Install React Router.

  npm install react-router-dom
  

Step 7: Fetch Data from Backend

• Understand how to fetch data from an API or backend server.
• Load data into your Ecommerce project to display products.

Example Code

useEffect(() => {
  fetch('https://api.example.com/products')
    .then(response => response.json())
    .then(data => setProducts(data));
}, []);

Step 8: Handle Data Mutations

• Learn how to update and delete data in your application.
• Enhance your Ecommerce project by adding features to modify product data.

Key Concept

• Use HTTP methods like POST, PUT, and DELETE for data mutations.

Step 9: Implement Automated Tests

• Discover how to write and run tests in React using Vitest.
• Ensure your components and functionality are working as expected.

Example Test

import { render, screen } from '@testing-library/react';
import Greeting from './Greeting';

test('renders greeting message', () => {
  render(<Greeting />);
  const linkElement = screen.getByText(/hello, world/i);
  expect(linkElement).toBeInTheDocument();
});

Step 10: Deploy Your React App

• Learn how to deploy your React application to the internet.
• Get introduced to services like AWS for hosting.

Steps to Deploy

1. Build your project.

   npm run build
   

2. Follow hosting service instructions to upload your build files.

Conclusion

By following this tutorial, you have gained a comprehensive understanding of React's core concepts and practical applications. You have built projects that enhance your skills and prepare you for real-world applications. Next steps include deepening your knowledge of advanced React features, exploring TypeScript integration, and experimenting with AI functionalities in your applications. Happy coding!