Create a Psychology Test by Following Along with HTML/CSS/JS

Let's create a Minesweeper game that was basically installed on old Windows using HTML, CSS, and JS.

Through this course, you can learn the basics of HTML and CSS.

A practical production class on creating responsive web pages that can implement various layouts for each device using only pure HTML/CSS/JS without using Bootstrap [2024 Latest Edition].

You can learn JavaScript from basic to intermediate, which is the foundation of web development.

Did you give up while studying React? Even complete beginners new to coding and non-majors can find their way to React without giving up, from JavaScript all the way to React.

I've included everything needed for those working with Vue.js in production. A learning note CRUD application implemented with actual backend APIs. Be sure to check out the messages about setting up a productive project environment and how to collaborate with backend developers :)

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.

If you don’t know why things keep breaking when you have AI do it, the problem isn’t coding—it’s telling it what to do without understanding “what’s happening.” I’ll teach you vibe coding by taking a web service with login and payments from scratch all the way to launching it on your own domain and getting it indexed by search engines, while understanding the context behind “What just happened?” at every step.

🌟 From the basics of JavaScript to advanced levels, start with the Real! JavaScript course! 🌟

The ultimate profitable service: I create fortune-telling services that keep running even while I sleep. With a service built in just one week, I generated 2 million won in revenue during the first month without spending anything on advertising. My second service, built recently in just three days, generated 340,000 won in net revenue in a single day. This is not just a simple 'click-and-go' fortune-telling service. I am in charge of creating fortune-telling services for one of Korea’s leading associations of professional fortune-tellers, and I also develop and operate fortune-telling services made using IP purchased from Naver Webtoon. Starting from cases I have operated myself, this course walks you through the process of creating a high-quality fortune-telling service for your own brand by conversing with AI—even if you have no technical background. You will implement everything from characters and stories to fortune-telling results, payment and automated delivery, and an admin dashboard, then connect customer acquisition through automated Threads posts, Meta ads, and YouTube content. This is a 'real' fortune-telling course focused not just on the fun of creating, but on monetization.

A friendly course that even those who know nothing about coding can follow! The ultimate course that turns working developers into JavaScript experts!

By creating 22 different mobile layouts across 19 pages, you can enhance your mobile web development skills, which is the most competitive asset for getting hired and working as a professional publisher. You will be able to solidify almost all production methods and know-how required for mobile web publishing. A key strength of this mobile web publishing course is the detailed instruction on how to create HTML wireframes for every single page. Through these lectures, your ability to build HTML wireframes will improve significantly. In particular, you will thoroughly learn CSS Nesting techniques. Centered around Flex layouts, you will gain sufficient intermediate-to-advanced practical CSS skills.

Data can be processed and presented in tabular form, but the most important thing is to present the data in a way that humans can understand at a glance.

We will delve deep into the 'Stream Architecture,' which controls massive 10GB datasets with just 50MB of memory, to grasp the essence of physical resource management. Based on this, you will design data pipelines that directly control the Operating System (OS) and the V8 engine, evolving into a top 1% high-end engineer that AI can never replace.

In an era where AI writes code for us, the value of a "true architect" who can see through and control the macroscopic framework of a system becomes overwhelmingly higher. This course digs into the essence of low-level networks and TCP/UDP sockets hidden behind frameworks, cultivating the ability to design robust core engines that never crash even in the face of millions of traffic hits and large-scale data. Go beyond being a coder who blindly repeats copy-pasting, and leap forward to become an irreplaceable master who directs and controls AI with clear, system-level solutions.

It is aimed at beginners of html/css, and it builds a solid foundation, and of course, you can learn practical responsive layout creation.

It’s an easy and fun click-through lesson. You can use it as a reference for the direction of your portfolio.

We have prepared this for those who want to achieve optimal results by utilizing AI, which is essential in the AI era. In just 2 hours, you can properly learn how to utilize AI through coding.

It covers machine learning concepts within the JavaScript environment. It covers the patterns and code for implementing machine learning with JavaScript and TensorFlow.js.

This course is a practical, hands-on guide for those who want to learn how to maximize development productivity in the AI era. Beyond simply learning how to use AI, we focus on how to utilize Claude Code in a real-world development environment and how to produce "proper results." Many developers use AI but still face issues such as: ❌ Inconsistent results ❌ Poor code quality ❌ Increasing project complexity To solve these problems, this course teaches you how to utilize AI as a "development partner" rather than just a tool through: ✔ Spec-based workflows ✔ Structured command systems ✔ Sub-agent and automation strategies Furthermore, you will gain the experience of completing and deploying a full application from start to finish by integrating with real-world services such as Firebase, Figma, GitHub, and Vercel.