React Crash Course: From Zero to Hero

React JS for Beginners: Build 3 React Projects, Learn React Components, JSX, State, React Hooks, Forms, API calls

Description

React is a Top JavaScript library for building interactive web applications, because of its fast performance, scalability and ease of use.

Course updates

• July 2025. Added “CURSOR AI” module. Learn Cursor AI for Development & Vibe Coding. Complete Guide (2 hours).

• June 2025. Added “GITHUB COPILOT” module. Learn Github Copilot for Development & Vibe Coding. Complete Guide (2 hours).

• March 2025. Added “AI CHATBOT” module. Build a real-time AI Chatbot with React.js, ChatGPT, Gemini AI & DeepSeek (2.5 hours).

• February 2025. Added “FORMS & API” module. Build a functional To-Do List using Forms, Data Validation & API Integration (4 hours).

• December 2024. Added “SOFT SKILLS” module. Learn about effective team collaboration, task estimation, productivity, problem solving, code review, developers salaries (1 hour).

About this course

• I will teach you React from the very beginning by building a real web project on practice.

• This is a crash practical course made with Love. It won’t take too much of your time.

• To make learning easier for you, I will explain React concept in the simplest way possible.

What’s in this course?

1) BASIC Module (3 hours)

Learn the Core Skills of React. Work through Practical Examples

• Understand React key concepts: JSX, DOM, Virtual DOM, Component-Based Architecture.

• Set up development environment (Browser, VS Code Editor, Node.js, npm).

• Debug React applications using Developer Tools.

• Create Components and write JSX markup. Import & Export Components.

• Share Data between Components via Props and Events. Conditional rendering.

• Styling components via Inline Styles, CSS Files and CSS Modules. Alternative Approaches.

• Understand Component Life-Cycle. Props vs State vs Variables.

2) FORMS & API Module (4 hours)

Build a functional To-Do List using Forms, Data Validation & API Integration

• Set up React application via Vite.

• Handle Form Submission, store Form Data in the Component State.

• Render Lists in React. Controlled and Uncontrolled Components.

• Implement Filtering, Editing and Deleting List Items. Handle Input Fields Changes.

• Form Data Validation, Errors Handling via react-hook-form and yup libraries.

• API interaction via fetch and axios library. HTTP methods (GET, POST, PUT, DELETE).

• Organizing of API calls. Handle API error mesages. Add Loading Spinner.

• Create and using of React Custom Hooks. Using useEffect hook.

3) AI CHATBOT Module (5.5 hours)

Build a real-time AI Chatbot with React.js, ChatGPT, Gemini AI & DeepSeek

• Generative AI and Pricing Models for popular AI API’s.

• Create and style Chatbot Layout. Handle Chat Interactions via Component State.

• Overview of ChatGPT, Gemini and DeepSeek AI Models.

• Getting API keys for AI API’s and Connect AI Models the for Chatting.

• Implement Streaming Messages. Handle and Debug API’s Errors.

• Add support of Dark Mode, Markdown, Messages Auto-Scrolling and Auto-Resizable Inputs.

• Build a Responsive Sidebar to Display All Chats with ability to Switch Between Them and Start New Chat Conversations.

4) GITHUB COPILOT Module (2 hours)

Learn Github Copilot for Development & Vibe Coding. Complete Guide.

• Understand GitHub Copilot Payment Plans, Usage Limits and explore Data Privacy

• Learn common Developer Use Cases for Copilot with practical Prompt Examples

• Set up GitHub Copilot in VS Code and connect it to your GitHub account

• Explore key Copilot Features: Code Completions, Chat Interface, Smart Actions, Chat Modes (Ask, Edit, Agent), and Chat Context

• Use Copilot for tasks like UI Improvements, generating Unit Tests, and Code Refactoring etc.

5) CURSOR AI Module (2 hours)

Learn Cursor AI for Development & Vibe Coding. Complete Guide.

• Understand Cursor AI Payment Plans, Usage Limits and explore Data Privacy

• Learn common Developer Use Cases for Cursor with practical Prompt Examples

• Set up Cursor AI and connect it to your Cursor account

• Explore key Cursor Features: Tab Completions, Chat Interface, Chat Modes (Ask, Manual, Agent), and Chat Context

• Use Cursor for tasks like UI Improvements, generating Unit Tests, and Code Refactoring etc.

6) SOFT SKILLS Module ( 1 hour)

Learn about effective team collaboration, task estimation, productivity, problem solving, code review, developers salaries and much more. Improve your development of Soft-Skills.

Who is this course for?

• Students who are new to React.js.

• JavaScript developers who have basic knowledge.

• Developers familiar with other frameworks (like Angular or Vue).

• Non-technical professionals who wan get started with React.js.

This Course includes

• Theory and Practice: About 10.5 hours of lectures with many practical examples (3-10 min lessons duration).

• Quizzes: Test your knowledge with quizzes after key sections (ensure you remember key concepts).

• Coding Exercises: Practice your skills with coding exercises (reinforce core concepts and boost your confidence).

• Source Code Examples: Full access to source code for all projects and exercises (practice on your own).

• Lifetime access to the course and any future updates.

• Udemy Certificate: which you will receive after completing the course.

• Support: If you have any questions, we will always be willing to answer them.

Meet your instructor!

Dmytro Vasyliev – Senior Front-end Engineer with more than 10 years of professional experience in developing complex Web Applications. I have extensive experience with React and other frameworks, having used it in various projects to build dynamic and efficient user interfaces.

Do you need to be concerned?

This course comes with a 30-day money-back guarantee.

Join our course today to learn how to build your first application in React!

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