JavaScript: All-in-one from basics to practice

You can learn React, an essential course for those who want to become frontend developers, and even build a portfolio project.

This is a course for those starting with TypeScript. The curriculum has been designed so that even those unfamiliar with modern JavaScript syntax can learn easily. Let's learn TypeScript, which may seem difficult, in an easy and fun way from a beginner's perspective 😄

This course is suitable for those who want a deep understanding of JavaScript. It covers the latest JavaScript syntax as of 2020.

This course systematically masters intermediate to advanced CSS techniques such as "CSS Position, Transition, Transform, Animation, Flexbox, Grid, and Responsive Web Design," and equips you with skills immediately applicable in real-world projects through various hands-on practice projects.

This is an introductory React course that will teach you React the easiest and fastest way. Learn concepts and practical skills while creating a toy project and complete the entire course in just 3 hours, including deployment! This is the first course in a series consisting of beginner, intermediate, and advanced levels :)

A must-take testing course if you want to become a competent frontend developer. Master testing from beginner to advanced all in one go 👊

This is an intermediate course that teaches you about JavaScript and jQuery through theory and practice. It consists of content that can be applied to practical work based on basic concepts of HTML, CSS, and JS. Part. 1 covers the Document Object Model (DOM), basic concepts of jQuery, finding, creating, adding, deleting, and moving nodes.

For those who are new to JavaScript, I have summarized the core grammar that modern JavaScript requires to know in a short and bold manner. Study the grammar in one go and finish it in a short and solid manner, and invest your precious time in creating something!

This is a TodoList tutorial taught in the simplest way by a third-year frontend developer.

"2026 UIUX Designer | Coding Designer Agency Pass Portfolio Reveal" This is a practical lecture on creating a UIUX web portfolio that catches the interviewer's eye. The curriculum is designed not just for simple portfolio creation, but to enhance your competitiveness as a UIUX designer with differentiated results utilizing interactions.

This is a full-stack series course aimed at developing web and app services at a commercially viable level for beginners, based on real-world experience developing web services in the field. As Part 2 of this series, this course thoroughly covers the latest HTML5, CSS3, and vanilla JavaScript + ES6, considering responsiveness and compatibility among the various frontend technologies available.

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.

mongoDB, NoSQL You hear a lot these days, but is it still an unfamiliar database? Aren't you using it like a relational database (RDS/SQL)? No matter how good the technology is, if it's not used correctly, it will have the opposite effect. That's why we often see cases of failure in using MongoDB. This lecture will teach you everything from basic concepts to practical know-how so that you can use MongoDB as MongoDB-like as possible.

CSS Welcome to the CSS Basics course based on over 20 years of practical experience! This course is designed for those of you who are taking the first step toward becoming a web publisher and front-end developer.

Python Web Development A to Z: Learning by Doing! Learn everything from web basics to blog development and deployment all at once.

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.)

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.

You may have felt frustrated using Redis without being able to explain why it should be designed that way or why certain patterns emerged. Through my experience in both practical development and as an interviewer, I have treated Redis not just as a simple cache, but as a core component that determines service stability and scalability. This course is not about memorizing commands; instead, I will share my experiences on which structures to choose in real traffic environments and their trade-offs, helping you establish the criteria to explain these concepts confidently in both interviews and practical work.

Algorithms seem so difficult... Even students who are not good at math can finish the basics of algorithms in one go with this class! We will teach you the basic concepts needed to solve algorithms step by step, and even Codecamp's know-how on applying them to problems :)

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.

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