Udemy

Build ChatGPT-Powered Web Apps with JavaScript & React (Open

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  • 109 Students
  • Updated 9/2025
4.4
(08 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
3 Hour(s) 28 Minute(s)
Language
English
Taught by
Stephan Haewß
Rating
4.4
(08 Ratings)
1 views

Course Overview

Build ChatGPT-Powered Web Apps with JavaScript & React (Open

Create real-world AI projects – from chatbots to virtual agents – with JavaScript, React, Astro & OpenAI API (ChatGPT)

Want to build your own ChatGPT-like AI applications?

Learn how to create intelligent chatbots and web apps using the OpenAI API, JavaScript, React, and Astro! Whether you’re a web developer, entrepreneur, or AI enthusiast, this course will teach you how to integrate AI into your projects and make them more interactive.

In this video course, you will embark on a thrilling journey into the world of web development and Artificial Intelligence. You’ll learn how to create AI-powered chat applications using JavaScript, React, AstroJS, and the OpenAI API. Throughout the course, you’ll work with the OpenAI API, which is using the same AI/Large Language Model (LLM) that powers ChatGPT. No prior AI experience is needed—just basic web development skills!


The course is divided into three exciting projects:


Project 1 – AI Chatbot: Build a ChatGPT-like chatbot and master the OpenAI API integration.

Project 2 – Text-Based Adventure Game: Create an AI-driven interactive storytelling experience.

Project 3 – AI-Powered Sales Assistant: Develop a chatbot for an e-commerce site to enhance customer experience.


By the end of this course, you’ll have hands-on experience building AI-powered apps that engage users and provide real-world value.


Don’t just use AI—build with it! Enroll now and start creating AI-powered web apps today!

Course Content

  • 5 section(s)
  • 37 lecture(s)
  • Section 1 Introduction
  • Section 2 Project: Basic Chat app
  • Section 3 Project: AI Chat in a text adventure game
  • Section 4 Project: Online Shop Sales Assistant
  • Section 5 Summary + Bonus

What You’ll Learn

  • Creating web applications that incorporate AI chats, Usage of the OpenAI (ChatGPT) chat completion API, Create a basic chat application like ChatGPT, Integrate AI chats into games, Create AI powered support agents for online shops


Reviews

  • S
    Shivangi cool
    4.0

    its good

  • L
    Linda F
    5.0

    I love this course because of its simplicity and its focus on the basics and foundation. I've never finished long courses before (despite having purchased nearly every popular OpenAI course on Udemy). Now, I just buy courses that are short but to the point, like this one. Stephen is very knowledgeable and smart, which is so helpful for a beginner like me. I'm looking forward to buying other future English courses from Stephen. THANK YOU FOR MAKING THIS COURSE!

  • M
    Mohammad Shoeb Faizan
    5.0

    It's good so far and would be better if there was a source for doubt clarifications and something like a discord channel for students to engage and help each other out. I'm already a Working Professional - Fullstack Developer and I took this course for the purpose of my company project, if I can build the final product for my company using OPENAI API then this course will be worth it and can be listed in training sessions of various companies.

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