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React 18 / 19 Course 2025 - Learn React JS the fast way (Udemy.com)

Develop React JS web applications including components, state, effect, hooks, React router, reducer, context, etc.

4.6
7,574 reviews

Created by: Jannick Leismann

Last updated November 2025

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What you will learn

  • Learn React in-depth in a short amount of time
  • Build comprehensive web apps like a modern video platform
  • Learn how to deal with data within your React applications
  • Use React components, React router, and state to create a maintainable code base
  • Learn how to use reducers for building scalable applications
  • Learn how to consume a RESTful Web API from your React Application using axios
  • Create unit tests for React Applications using Vitest
  • Adding JWT authorization and user management
  • Storing user data in databases

How it compares

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

  • Rating4.6 out of 5higher than 70% of them
  • Reviews7,574#28 of 816 by number of reviews
  • Length12.8 hourslonger than 67% of them
  • Last updatedNovember 2025more recently than 67% of them

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Course Description

Learn React with a course that respects your time!


Summing up, this course allows you to learn React JS (v18 - 2024 and v19 - 2025) in depth, from scratch, and in only a few hours. It's the best React course choice for every busy developer or individual in general.


Enroll in this course now and learn how to:

  • Create comprehensive front-end applications using React

  • Use React components, routing, and states to create maintainable applications

  • Use the most important features of the React framework to build real-world applications

  • Build clean and scalable React applications by using reducers

  • Implement global state management using the Context API

  • Deal with real-world data

  • Consume a web API using axios from within your React applications

  • Create unit tests using vitest

  • Add user management and JWT authorization to react applications

  • Store data in databases without building a backend


What's inside this course:

  • Setting up Development Environment for React projects

  • Components

  • React Hooks (e.g. useState, useEffect, useReducer)

  • States

  • Effects

  • React Router including query parameters and private routes

  • Reducers

  • Context API and Providers (useContext and createContext)

  • JSX

  • Filtering

  • Searching

  • Dynamically assigning styling

  • Reacting to HTML events

  • Forms

  • Validation

  • Data Binding

  • Adding Packages

  • React Dev Tools

  • The popular build-tool Vite

  • Unit Testing

  • Authorization and User Management using Clerk

  • Database Integration using Supabase


In addition, you will easily apply and understand more advanced concepts like:

  • Error Handling

  • Sending Data to child components

  • Sending Data to parent components

  • Creating controlled components

  • Building scalable react applications by improving state handling (reducers and context)


30 Day Full Money Back Guarantee

This course comes with a 30-day full money-back guarantee. Take the course, watch every lecture, and do the exercises, and if you feel like this course is not for you, ask for a full refund within 30 days. All your money back, no questions asked.


Enroll now, take the fast lane, and master React JS in only a few hours.
Read More Beginner Beginner Level product length iconTime: 12.8h

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Instructor Details

Jannick Leismann

I'm Jannick, a seasoned developer with over a decade of experience.


I've channeled my passion for teaching into creating top-notch content on platforms like YouTube and Udemy, reaching more than 250,000+ students and 90,000+ subscribers globally.


In this exhilarating journey into the world of code, I'm your dedicated companion, here to help you navigate every step of the way.

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Reviews

4.6

7,574 ratings on Udemy

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By James Watts on 9/3/2026

Getting setup has been easy and thorough, I especially appreciate the time table to ensure matching version for consistency of tools being used.

By Saeesh Dangui on 7/31/2026

I have been working with React.JS for a while now and I have learned on the work itself. This course helped me clear and refresh my knowledge. I really liked the way course is structured. And most importantly I liked the tutoring style, very well explained.

By helen liu on 7/28/2026

Some of the sample code appears relatively basic and some sample code is repetitive. Although it is beginner-friendly for those new to frontend development, I would appreciate more sharing of practical techniques and hands-on experience related to real enterprise project development.

By Staci Southerland on 7/20/2026

I love this guy. I took an Angular course with him and now this amazing React course. If this guy could just teach me everything in life.

By Van Tao Nguyen on 7/17/2026

This course is basic and easy to follow. With some enhancements, I will apply the concepts to real Stock project work and deploy the solution in a cloud environment.

By Santosh Kumar Ray on 7/13/2026

I am very new to React, but the course is designed thoughtfully so that everyone can learn. The project is also explained very clearly. I really enjoyed this course and will definitely use what I learned in my future projects. Thank you for creating such an excellent learning experience!

By Khiap Keonangphane on 4/21/2026

Good course, he explains things well initially. Towards the end he is just flying by and hard to keep up. See myself going back a lot to hear what he's saying because he's talking super fastt

By Rohit kumar on 4/17/2026

examples provided by the instructor help to learn complex topics in easy manner, and it also helps you learn the reactjs frontend application developement prespective Thanks for this great course on reactjs

By Anonymized User on 3/10/2026

Great course! I learned a lot about React—especially components, hooks, and state management. The examples were clear and practical.

By Prakhar Kumar on 2/5/2026

Hands on projects make learning more practical and easy to apply in a real life scenario. Also, the content, coverage of topics and delivery make the course really engaging.

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Overall Score : 92 / 100

React 18 / 19 Course 2025 - Learn React JS the fast way
Visit course on Udemy Write a review
  • Video Duration: icon 12.8h
  • Price: $89.99
  • Provider: icon Udemy
  • Updated: icon November 2025
  • Level: Beginner Beginner
  • Language: icon English
  • Certificate: icon Yes
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