Introduction to TypeScript - Building a Solid Foundation

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.

(5.0) 1 reviews

12 learners

Level Basic

Course period Unlimited

JavaScript
JavaScript
TypeScript
TypeScript
vanilla-javascript
vanilla-javascript
JavaScript
JavaScript
TypeScript
TypeScript
vanilla-javascript
vanilla-javascript

Reviews from Early Learners

5.0

5.0

941203

100% enrolled

The explanations and tone clicked perfectly in my head, so I was able to understand the basic grammar well! Thank you!

What you will gain after the course

  • TypeScript Installation and Setup

  • Basic types, type inference, interfaces, type aliases (type)

  • Function types, generics, utility types, module management

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🧩 Mastering TypeScript Basics - The First Introduction to TS for JavaScript Developers

💡 This course is


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.

👩‍💻 Recommended for the following people

  • 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.


🚀 What you will learn through this course

  • 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 will grow like this after taking the course

  • 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.

Recommended for
these people

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

Hello
This is ezweb

2,850

Learners

65

Reviews

4

Answers

4.9

Rating

14

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[ 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

 

 

 

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Curriculum

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17 lectures ∙ (2hr 58min)

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Lecture resources
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Reviews

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1 reviews

5.0

1 reviews

  • 109an940455님의 프로필 이미지
    109an940455

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    The explanations and tone clicked perfectly in my head, so I was able to understand the basic grammar well! Thank you!

    • ezweb
      Instructor

      Haha, thank you. I should take good care of my throat. ^^

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