A Journey with JavaScript Classes

The secret to building websites usable by anyone without discomfort, through WCAG 2.2 guidelines and practical application know-how, create highly accessible services!

Develop your ability to find the core of a problem and solve it through the 'Top 10 Python Algorithms' that cover the most frequently asked types!

Introducing Tailwind, the solution that lets you build modern websites quickly without leaving HTML!

Develop your ability to find the core of a problem and solve it with the 'Top 10 JavaScript Algorithms' that cover the most frequently asked types of problems!

On the subway, on the bus, at the airport! A snack for intermediate learners to read briefly when you have a little free time! Python code snippets that will fill in the 2% I didn't know!

Learn to create and use practical Notion templates for daily life, including household ledgers, pet care, and collaborative year-end reflections. Beyond just attractive templates, this covers design for efficient data management and practicality, allowing deeper Notion usage.

This course is designed for beginners, students, and those who want to use Polars, aiming to acquire the necessary skills for data analysis, from basic concepts of the Python-based data analysis library Polars to simple data processing and exploratory data analysis (EDA).

A course for creating quality websites using just Notion and Oopy, without a developer or coding.

🤔 Don't want to study React from A to Z, and just want code that you can apply right away!? You've come to the right place! If you want lectures from A to Z, please purchase another good lecture, and get only the practical things here! Right now! Learn the basic concepts and applications of React with this course and create your own project easily and quickly.

🤔 Are you worried because you want to study D3 but it is too difficult?? Right now! Learn the basic concepts and usage of D3 in this lecture and create your own visualization results easily and quickly.

Sass, which was put on the back burner because it was complicated and unfamiliar, is now cut to 40 minutes! Quickly review it! :)

Let's perfectly prepare for the second coding test (implementation test) by solving 10 problems created with reference to front-end coding tests given by actual companies!

Are you about to have a coding interview? You've come to the right place! We've gathered together JavaScript concepts that you may not understand well or are confused about no matter how many times you hear them, and we'll take some time to dig into them together :) Are you ready to capture the interviewer's heart?

This course systematically teaches from JavaScript synchronous/asynchronous concepts, asynchronous processing methods incorporating the latest syntax such as Promise and async/await, and practical HTTP communication.

📌 This course starts with a strategic AI Tic-Tac-Toe project and is a curriculum that completes the core concepts of object-oriented programming through practical examples. Through game implementation, you will train logic design and AI strategic thinking, and then directly experience OOP design techniques such as inheritance, composition, delegation, and encapsulation through code. This is recommended for those who want to go beyond syntax and grow into a 'designing developer' through a real project.

Have you ever felt frustrated while studying React? We provide a path to React that you won't give up on, by first solidifying the fundamentals of JavaScript, which is the foundation of React, and then learning step-by-step.

Build a solid foundation and confidence by developing a variety of topics from scratch with JavaScript.

Just listen. The lecturing skill, captivating power, and lecture quality are different.

This course is perfect for those who want to gain a deeper understanding of JavaScript. It covers the latest JavaScript grammar as of 2020.

From Java basics to advanced concepts, and Oracle SQL too, Backend web development series with hands-on practice, taught by star instructor Young Cody Kim who explains clearly for non-majors and coding beginners

This course covers the Critical Rendering Path (CRP) process from start to finish, where the browser receives HTML to create the DOM, combines it with the CSSOM, and renders pixels on the screen. Beyond simple DOM manipulation, you'll learn how CSS and JS impact performance, image and font optimization, Lazy Loading, Intersection Observer, virtual lists, and DevTools practice, gaining practical strategies to noticeably improve real web performance.

We will cover the concept of machine learning in a JavaScript environment. We will cover the form and code of implementing machine learning with JavaScript and TensorFlow.js.

This is the easiest JavaScript tutorial for those who are starting to code in JavaScript.

Learn core data structures and algorithms such as Stack, Queue, Linked List, Sorting, and DFS/BFS by implementing them directly with JavaScript. Solve frequently appearing problem types together to build problem-solving skills essential for coding tests and interviews.

This is a full-stack hands-on course where you'll clone ChatGPT and implement everything from scratch. From Spring Boot server to React frontend! This isn't just a course where you follow along with code, but one that guides you to build a high-quality AI chatbot service through actual service deployment.

This course goes beyond simply using Express.js. You will rebuild its internal engine from start to finish, gaining hands-on experience with the real principles of how a server works. By directly creating each component of Express—such as routing, middleware, request–response objects, static file handling, and template rendering—you will grow as a server developer and truly understand how a framework operates at its core.

This comprehensive course allows step-by-step Flutter learning, from Dart programming basics to Flutter's basic/intermediate features, and integrating backend Firebase for real projects.

The JS Core Theory and Practical Example Textbook and Completed Version for Web Publishers is a lecture textbook produced in PDF format. This textbook helps web publishers to fully acquire the basics of JavaScript and jQuery that they must know. A feature of this textbook is that it allows you to strengthen your theory through small missions connected to the theory. In particular, this textbook is also fully prepared with practical examples that utilize all the theories learned. The entire PDF page contains more than 320 pages of pure JavaScript (Vanilla JavaScript) and jQuery, with sufficient explanations added so that Coding Works can be easily understood. In particular, publishers can learn practical examples of jQuery interactions that are essential for creating websites.

This is a lecture on creating and deploying your own GPT using various resources in Azure. From start to finish! Let's deploy a complete service from scratch!

Develop your ability to find the core of a problem and solve it with the 'Top 10 JavaScript Algorithms' that cover the most frequently asked types of problems!

"Becoming a Developer Who Excels at React" has been published. This book provides a solid foundation by systematically guiding you from the basic principles of the web needed before learning React to the latest React hooks. Through over 40 diverse hands-on projects and abundant practical examples, you can apply theory directly to real-world situations and develop problem-solving skills. Additionally, it helps you grow into a developer capable of building high-quality React applications by learning essential modern web development technologies such as Redux Toolkit, Zustand, and Firebase.

It covers thinking. You can logically organize the core and fundamentals of JavaScript. You can organize your own JavaScript experience and thoughts. You can establish the logic of JavaScript technology. You can broaden your perspective on the entire JavaScript. You can prepare for JavaScript technical interview questions.

Through this course, you will gain a deep understanding of clean code principles and be able to write clean code based on object-oriented thinking. This course is for anyone curious about clean code and object-orientation, and everyone who truly wants to write good code.