React for Everyone: React Core Course for Beginners

This is a ReactJS course taught by Velopert. This course introduces React, a Javascript library that has recently been in the spotlight, and explains how to use it.

After completing all lectures, you will be able to develop a web service yourself.

React is an open source JavaScript library created by Facebook. You can create UI based on components using JavaScript. Learn all the components you need for web development using React, the most popular front-end development library currently optimized for creating SPA (Single Page Application). In Part 3, you will create a complete database processing web app.

In this course, you will learn about TypeScript.

Javascript syntax that frontend beginners must learn! From basic to advanced, let's delve into the JavaScript language from A to Z!

You may already be familiar with OAuth 2.0, having used it for simple logins with accounts like Google or GitHub. Social login is an extension of OAuth 2.0, and its core technology is in the OAuth 2.0 authorization framework. If you understand the principles of OAuth 2.0, you can develop the ability to implement and adjust it appropriately to your needs.

This is a full-stack restaurant map tutorial that allows you to learn everything from front-end, back-end, Kakao Map API usage, and deployment all at once while creating a restaurant map of your favorite YouTuber.

Through this lecture, students can create a web service similar to Instagram using HTML, CSS, and JS. (Only the front-end is implemented! The back-end server construction will be filmed in a later lecture.)

You don't have to rely on Gif or Video anymore. You will learn how to output animations created in After Effects as code and implement various interactions through JavaScript. You can also create an attractive website.

The goal is to acquire basic knowledge of React Native for mobile app front-end development. This course is designed to enable non-experts to easily develop native mobile apps by utilizing languages/APIs with low entry barriers.

In this course, you will learn how to create a chat application using React and Firebase.

With this one course, you can learn the basics of popular Javascript frameworks and Typescript.

All sessions from JetBrains JavaScript Day 2025 in one place! JavaScript experts from around the world gather to share their know-how, ideas, and insights gained from practical experience. Discover the latest information that will help you stay ahead in the rapidly evolving JavaScript ecosystem.

A three-in-one class where you can create web games and learn front-end web development skills! This class has been created to teach you how to create games using JavaScript, CSS, and HTML with your own ideas!

jQuery, a JavaScript library used by over 75% of websites worldwide! This course is structured to help you understand the principles and build a strong foundation rather than focusing on flashy effects. Learn jQuery from the basics to advanced applications to complete your own portfolio or use it immediately in the field.

This course will help you develop mobile apps that can be serviced on Android and iOS using web development.

We deal with ideas. You can logically organize the core and fundamentals of JavaScript. You can structure your own JavaScript experiences and thoughts. You can establish the technical logic of JavaScript. You can broaden your perspective to see the entirety of JavaScript. You can prepare for JavaScript technical interview questions.

"Why did the AI write this code?" or "Why can't it remember what I just said?" The frustration you encounter when using AI tools like Claude Code stems from not knowing how the tool actually works. This course flings open that black box. Over 25 lessons, we will build our own Coding Agent from scratch that functions exactly like real-world professional tools—giving the LLM 'eyes' to see files (Read), 'hands' to fix code (Edit), and 'feet' to execute commands (Bash). This isn't just about learning how to use a library. You will gain hands-on experience by implementing code to understand how AI perceives project structures, why it loses its memory during long conversations, and how to solve those issues technically (Sliding Window, Summary). Through this process, you will evolve from being a mere 'user' of AI tools to an 'AI provider' who understands the underlying principles and can customize and evaluate tools to fit your specific needs.

This is a mission content for a frontend project. We provide a PRD planning document, Figma design, and API endpoints so you can practice the project by implementing a timer app called DevTime yourself. Make the knowledge you've learned so far completely your own by implementing a project at a level similar to an actual service 🚀

A Complete End-to-End Developer Journey — Build Lightning-Fast APIs, Modern Frontend Interfaces, Real Projects, Authentication Systems, Dashboards & Full Deployments Using FastAPI, React, and Vibe Coding Techniques.

A current startup CTO will share vibe coding knowledge gained through actual services and various outsourcing projects.