Slack Clone Coding [Backend with NestJS + TypeORM]

Web developers (especially React developers) can now truly easily launch apps. With Expo, you can launch both Android and iOS apps even faster. Let's become a developer who can quickly launch apps with Expo.

You will learn about what a node is, the latest JavaScript grammar, the node API, npm, the module system, databases, testing, and more. You will create a project using five practical examples. You will also deploy a service to the cloud and convert a node project to TypeScript.

If you are already a developer or want to become a developer but did not major in computer science and are weak in databases, gain lifelong knowledge with this one course!

We will create an SNS service similar to Twitter (X.com) using the React19 & Next15 & ReactQuery5 & Next Auth5 & MSW2 & socket.io4 & zustand stack. Finally, we will add SSR for search engine optimization!

Let's create a delivery app for riders with React Native. This is a lecture by a developer who has created more than 5 apps with React Native over the past 6 years and sold them to Kakao Mobility.

If you are a developer who deals with HTTP or want to become a developer but did not major in computer science and are weak in networking, gain lifelong knowledge with this one course!

In this lecture, we will show you when testing is necessary and the advantages of testing using the Jest framework. We will apply unit testing and integration testing to React, Express, etc.

Now that you've learned the basic grammar of TypeScript, let's learn how to analyze complex types from popular libraries.

Learn the basic syntax of TypeScript, how to analyze types written by others, and how to write your own types.

Learn about the uses, pros and cons of various design patterns while creating a drawing board with TypeScript/JavaScript. Learning the canvas API is a bonus!

Data structures are essential subjects for studying algorithms! Let's learn various data structures using JavaScript!

In this lecture, we will practice developing programming thinking skills using JavaScript. Let's start with the web game, the multiplication table, and then create a word game, number baseball, a reaction speed test, tic-tac-toe, a lottery machine, rock-paper-scissors, a card matching game, a text RPG, a minesweeper, a 2048 game, and a mole catching game.

Let's start serious React web development by creating it following the Slack service! From sign-up, login, room creation, to real-time chat!

Let's create a Twitter-like SNS service with React & Next & Redux & Redux Saga & Express stack. Finally, we will deploy it to AWS after SEO.

Let's apply TypeScript to Node.js, add typings to existing npm packages, or create your own TypeScript library.

Let's use React and TypeScript together by adding TypeScript to a web game made with React and React Router, Redux, and MobX.

Are you having trouble deciding between Redux and MobX? Let's learn both first and then decide!

Learn Vue.js and Vuex and Vue Router, which are used with Vue, by creating 8 simple web games.

Create a SNS service using Vue and Nuxt frameworks. Learn the full stack knowledge required for the service.

Learn React through web games. Get familiar with Classes and Hooks, and learn additional things like Context API, React Router, Webpack, and Babel.

👩🏻‍💻This is a lecture on learning expressjs in one day. You will definitely take the results with you, and the explanation will proceed with a logic-oriented visual sequence diagram rather than text.

Let's systematically design the backend using the domain-driven development (DDD) method and apply it to microservices!

This course is a practical, hands-on course where you will build your own 'League of Legends Match History Search Site' using React.js and Node.js, utilizing the Riot Games API. Students will naturally learn through hands-on practice, following the project step-by-step, covering everything from basic API usage, integration of frontend (React.js) and backend (Node.js, Express.js), to match history data visualization, and implementing op.gg-style UI. Rather than focusing on complex theories, this course is code-centric, allowing you to quickly experience results by 'building it yourself' through hands-on practice.

This course covers the essential principles and practical techniques of Node.js that you must know before diving into real-world front-end or back-end development.

Ladies A to Z for a solid start to Ladies! Everything about Ladies that is easy and fun to understand, even for high school students.

Understanding Spring Boot + React.js Login (+Social) Service is a course designed to help you deeply understand the authentication flow between frontend and backend, by directly implementing a practical login system that includes JWT-based authentication and social login (Kakao/Google). The frontend is built on React.js, and the backend on Spring Boot, enabling you to learn step by step the practices used in real service environments, such as the Access Token + Refresh Token approach, user state management using HttpOnly Cookie and Redux, Role-based authorization, and social login integration.

In this course, you will be able to create a Reddit website from scratch, step by step.

An Express.js journey from beginner to mastery, flowing like water! A backend journey where you learn properly by directly implementing from basic server concepts to completing a CRUD project.

This article introduces the relationship between Nodejs, a server-side JavaScript language, and a database, and explains how to create web applications using Nodejs and a database.