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React Crash Course: From Zero to Hero (Udemy.com)

React JS for Beginners: Build 4 React Projects, Learn React Components, JSX, State, React Hooks, Forms, API, Next.js

4.4
2,223 reviews

Created by: Dmytro Vasyliev

Last updated September 2026

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What you will learn

  • Build a Products List App – Learn React core (JSX, Components, Props, State, Hooks), project structure, component organization, styling approaches.
  • Build a Todo List App – Learn Forms with React-Hook-Form & Yup, validation, error handling, API calls with fetch/Axios, CRUD operations.
  • Learn how to fix React mistakes — Missing Keys, State Mutation, Early State Reads, Wrong Dependencies, Infinite Loops, Broken Inputs.
  • Build an AI Chatbot App – Learn how to Integrate ChatGPT, Gemini, DeepSeek, Claude & Grok APIs for real-time conversations.
  • Build a Contacts List App – Learn Next.js basics: setup, Pages & Layouts, Navigation, Dynamic Routes, data fetching (Server/Client), Suspense, debugging.
  • Set up GitHub Copilot, Cursor and Windsurf, explore powerful features like Code Completions, Chat Context, Agent Mode, and more.

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.4 out of 5higher than 33% of them
  • Reviews2,223#92 of 816 by number of reviews
  • Length41.7 hourslonger than 92% of them
  • Last updatedSeptember 2026more recently than 97% of them

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Course Description

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

  • 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?

  • REACT: Learn how to build React Applications with Components, Props, State, Forms, Validation, and APIs using Fetch, Axios, Hooks, and Yup.

  • REACT MISTAKES: Learn how to fix React Beginner Mistakes — Missing Keys, Mutating State, Reading State Right After Update, Wrong useEffect Dependencies, Infinite Loops, and Broken Controlled Inputs.

  • AI CHATBOT: Learn how to build an AI Chatbot with React, integrate Google AI, OpenAI, DeepSeek, Claude, and xAI APIs, and enhance Chat UI with Streaming, Themes, and Multi-Chat Features.

  • NEXT JS: Learn how to build Next.js Applications with Pages, Layouts, Dynamic Segments, Search Params, and fetch Data using Server and Client Components.

  • PROMPTS: Learn how to apply Prompt Engineering, fix Mistakes, use Best Practices, and write Role-Based Prompts with Advanced Techniques.

  • CHAT GPT: Learn how to use ChatGPT for Coding, Research, and Projects, customize with Custom Instructions, manage Memory, explore Models, etc.

  • GITHUB COPILOT: Learn how to use GitHub Copilot in VS Code, explore Code Completions, Chat Modes, Custom Instructions, and Prompt Files for smarter AI Coding.

  • CURSOR: Learn how to use Cursor AI with Tab Completions, Chat Modes, Plan Mode, Rules, and Memories for faster AI Coding.

  • WINDSURF: Learn how to use Windsurf Editor with Supercomplete, Cascade Chat Modes, Plan Mode, DeepWiki, Rules, and Memories for efficient AI Development.

  • SOFT SKILLS: Learn how to improve Soft Skills for Developers, boost Remote Productivity, collaborate in Teams, estimate Tasks, and grow faster with Mentors.


This Course includes

  • Theory and Practice: 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).

  • 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!
Read More Beginner Beginner Level product length iconTime: 41.7h

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Instructor Details

Dmytro Vasyliev

I’m a Senior Frontend Engineer with 10+ years of experience shipping real products — currently at Doccle, a Belgian platform with 2.5 million users, where I lead the React migration.

On Udemy, I’ve taught 220k+ students across 19 courses covering React, Next.js, Node.js, and AI coding tools like Claude Code, Github Copilot, Cursor, Windsurf and others.

I don’t teach theory. I teach what works in production.

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Reviews

4.4

2,223 ratings on Udemy

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By Lalit Kumar on 1/19/2026

Nice explanation , I just want to add one line please add few more session about how to implement react without using react library. I will give us more deep view of react and it's internal algo.

By Abduraheem on 8/22/2025

The instructor’s English makes the course a bit harder to follow, and topics keep getting updated and added continuously, which makes the course feel bloated and almost unfinishable. It would benefit from more interactive elements like quizzes and challenges instead of only coding walkthroughs.

By Owen McGregor on 5/21/2025

My only complaint is that the you switch screens too fast after writing some code. Often you don't even pause for half a second so that I can attempt to pause the recording to see what you wrote.

By Samama Zaid on 5/13/2025

Great teacher that provides a lot of knowledge. His method of taching is very good. He not only teaches concept also performs a lot of practical work including 2 projects and many quizzes exercise. Only drawback is course is little older due to which I face some issues and did not get response from Q/As section. In short, course is great.

By Sri Harsha on 4/8/2025

The concepts are explained really well. With practical examples. May components explained are fundamental building blocks, using which we can accelerate our development easily. Thanks for wonderful course.

By S.Sanjai on 3/24/2025

Great learning experience! The quizzes and coding exercises were engaging, and the to-do list along with the AI chatbot projects were incredibly helpful and immersive.

By Stanislav Petrov on 3/19/2025

I just finished the React Crash Course: From Zero to Hero, and it was a great learning experience. The instructor explained React concepts like Components, State, and Hooks clearly, with hands-on projects that made learning practical. I now feel confident building React apps and highly recommend this course to beginners !

By Kevin Rauer on 3/16/2025

This is an absolutely amazing coarse. I started with nothing, and I am now starting to write my first app. I also love that added into into AI Apps that we can implement, and also the dark mode trick!! Most of all I like most ran into issues, which I posted in the Q/A and it was quickly solved and I was back on my learning path!! Excited to implement what I have learned!

By Andrii Olieinik on 2/2/2025

Thank you so much for this concise yet comprehensive course—it was exactly what I needed. While the author can still improve their English, the overall content is excellent. One suggestion would be to add more practice exercises (for example, building an interactive to-do list or other live coding tasks in React). However, I understand that might go beyond this course’s scope, so I appreciate its concise approach. Thank you again!

By Anonymized User on 1/24/2025

I learnt a lot from this course in such a short duration. It gave me a great jumpstart. It mostly covers all the topics with adequate explanations to get you started. His accent might be slightly difficult to understand at some places, but it is mostly manageable. Specially, what sounds like 'distraction' (the same is generated in the subtitles as well) is actually 'destructuring'.

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Overall Score : 88 / 100

React Crash Course: From Zero to Hero
Visit course on Udemy Write a review
  • Video Duration: icon 41.7h
  • Price: $44.99
  • Provider: icon Udemy
  • Updated: icon September 2026
  • Level: Beginner Beginner
  • Language: icon English
  • Certificate: icon Yes
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