
Coding for the First Time with Web Publishing - CSS
ezweb
You will learn everything from CSS basics to animations and responsive design. Through practical examples, you will review what you've learned and build a solid foundation.
Beginner
HTML/CSS
This is an introductory course where you will learn the core syntax of TypeScript to improve type safety and code readability through hands-on practice. You will learn everything from project environment setup to interfaces, generics, and utility types using real-world code examples.
13 learners
Level Basic
Course period Unlimited
Reviews from Early Learners
5.0
941203
The explanations and tone clicked perfectly in my head, so I was able to understand the basic grammar well! Thank you!
TypeScript Installation and Setup
Basic types, type inference, interfaces, type aliases (type)
Function types, generics, utility types, module management
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While working on JavaScript projects, you might find yourself thinking, "What is the type of this variable?" or "I wish there were no runtime errors."
This course is a TypeScript Fundamentals Completion Course for web developers and frontend beginners who want to resolve those frustrations.
From installing TypeScript to configuring setup files, basic types and type inference, interfaces, type definitions (type), and function type declarations, this is a course where you will naturally master the type system by following step-by-step practical examples.
Those who know JavaScript but always feel uneasy about type safety
Those who want to apply TypeScript for the first time to React, Next.js, or Node.js projects
Frontend developers who want to improve the readability and maintainability of production code
Those who want to understand "Why should we use TypeScript?" by experiencing it firsthand rather than just through theory.
✅ Configuring the TypeScript development environment
(Installation, creating the configuration file tsconfig.json, and running examples)
✅ Basic Types and Type Inference
(string, number, boolean, array types, type inference rules, etc.)
✅ Interfaces and Type Extensions
(readonly, optional properties, interface inheritance, type aliases, etc.)
✅ Function type assignment and declaration methods
(Parameter/return types, function signatures, arrow function types, etc.)
✅ Understanding TypeScript syntax structures that can be applied immediately to real-world practice
You can apply a clear type system to JavaScript code.
You can actively utilize auto-completion and type error detection features in VSCode.
You will be ready to apply TypeScript to modern framework environments such as React, Next.js, and Express.
You will break free from "coding blocked by types" and gain the habit of writing stable and predictable code.
Who is this course right for?
Developers who want to take the next step after learning JavaScript
An aspiring developer preparing to become a frontend developer
Need to know before starting?
HTML, CSS
JAVASCRIPT
Career Verified
2,890
Learners
72
Reviews
4
Answers
4.9
Rating
14
Courses
■ [Current] ESTSOFT KDT Frontend Instructor
■ Green Computer Art Academy Web Publishing and Frontend Instructor
■ Operator of Web Publishing YouTube Channel 'Rock's Easyweb'
■ The Joeun Computer Academy Web Publishing Instructor
■ Hanbit Computer Academy Web Publishing Instructor
■ Frontend Publisher, Professional Frontend Publishing Instructor
■ UI/UX Web Design Portfolio Instructor
[ Books ]
Published on 2021.07.19 / The Complete Figma Guide for Web Design & Web Publishing / BJ Public
Published on 2022.08.25 / Coding for the First Time with Web Publishing / Youngjin Publishing
Published 2023.10 /2024 SD Edu Yu-seonbae Web Design Technician Practical Exam Tutoring Notes / Sidae Gosi Planning
2024.11 Reprint /2025 SD Edu Yoo-Sunbae Web Design Technician Practical Exam Tutoring Notes / Sidae Gosi Planning
2025.11 Reprint /2026 SD Edu Yoo-Sunbae Web Design Technician Practical Exam Tutoring Notes / Sidae Gosi Planning
[ Awards ]
2022.08 Green Computer Art Academy Jongno Branch - Outstanding Instructor 2021.06 Green Computer Art Academy Jongno Branch - Outstanding Instructor 2018.06 Green Computer Academy Sinchon Branch - Outstanding Instructor 2017.05 Green Computer Academy Sinchon Branch - Outstanding Instructor 2016.05 Green Computer Academy Sinchon Branch - Outstanding Instructor 2015.10 Green Computer Academy Sinchon Branch - Outstanding Instructor
All
17 lectures ∙ (2hr 58min)
Course Materials:
3. interface
17:35
4. types
13:22
5. Function Types
14:10
6. Union Type
15:24
All
1 reviews
5.0
1 reviews
Reviews 1
∙
Average Rating 5.0
5
The explanations and tone clicked perfectly in my head, so I was able to understand the basic grammar well! Thank you!
Haha, thank you. I should take good care of my throat. ^^
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