React Crash Course: From Zero to Hero

Practical React Course for Beginners: Build first App, Learn Components, JSX, Props, Events, State, Hooks, Forms, API.

Created by: Anton Voroniuk
GenAI Expert, trusted by 800,000+ Students

Created by: Dmytro Vasyliev
Expert in React Development (9+ years of experience)

What Will I Learn?

• The core knowledge of React (JSX, Virtual Dom, One-Way Data Binding, Components, Props, Events, State, etc)
• How to set up a development environment with essential tools (Browser, Code Editor, Node. js, npm)
• How to easily create a React application and understand the purpose of each project file and folder
• How to effectively create and organize React components in your project using best practices
• How to write JSX markup, render lists, share data between components and handle events in React
• How to style React components, the pros and cons of available methods (Inline Styles, CSS Files, CSS Modules, etc)
• How to manage component state with the useState hook, update complex structures like objects, arrays, objects in the arrays.
• How to create a To-Do list with CRUD operations (create, read, update, delete), manage state, and implement filtering options.
• How to work with forms in React, handle form submission, validate data using React Hook Form and Yup libraries, and provide user-friendly error messages.
• Difference between synchronous and asynchronous code, RESTful APIs concept, and HTTP methods (GET, POST, PUT, DELETE).
• How to create a fake server with MockAPI, use the Fetch method and Axios library to interact with APIs, handle errors, and implement loading indicators.
• How to integrate Google AI (ChatGPT), Open AI (Gemini) and DeepSeek (R1 and V3) API’s for real-chat conversations and message streaming support
• How to enhance chatbot UI/UX with chat auto-scrolling behavior, auto-resizable text fields, Markdown support, Light and Dark Mode, loading indicator.
• What are key differences between AI tools, API usage, and rate limits. How to deal with API errors from AI services and debug applications.
• And much more to enhance your React. JS skills.

Requirements

• NO React knowledge or experience required
• Basic knowledge of JavaScript (we provide reading materials for those who are not familiar with JavaScript)
• Basic knowledge of HTML/CSS

Target audience

• Students who are new to React and want to learn it from scratch
• JavaScript developers who have basic knowledge and want to dive deeper into React
• Developers familiar with other frameworks (like Angular or Vue) who are looking to switch to React
• Non-technical professionals who want to make the transition to programming and get started with React