Getting Started: TypeScript

Get started with learning the TypeScript programming language

About This Course

TypeScript is one of the most popular programming languages right now, and for good reason. It's a highly versatile language that can be used for developing both frontend and backend applications. Knowing TypeScript can make you a well-rounded full-stack developer who can create beautiful frontends with libraries like React or Vue and powerful backends. TypeScript knowledge also allows you to create cross-platform mobile applications using React Native. In this course, legendary TypeScript and React developer Cory House will teach you everything you need to know to get you started with TypeScript and make learning a new language as easy as possible. This course contains tens of exercises to learn by doing, which is always the best way to learn.

Course Curriculum

3h 32m 9 sections

Welcome

00:18 Free preview

What will you learn in this course?

00:32 Free preview

Who is the course for and prerequisites

00:43 Free preview

Why TypeScript?

03:15

Course Setup

00:36

tsc

04:21

Using TypeScript without a compiler

01:37

Bun Intro

01:50

tsconfig Intro

02:25

Course workflow

01:27

Primitive Types

03:25

Exercise: Primitive Types

00:27

Answers: Primitive Types

01:59

Type arrays and Tuples

02:21

Exercise: Type arrays and Tuples

00:39

Answers: Type arrays and Tuples

01:01

Typing objects

04:44

Exercise: Typing objects

00:51

Answers: Typing objects

01:13

Any

03:45

Exercise: Any

00:36

Answers: Any

01:15

Unknown

02:05

Exercise: Unknown

00:24

Answers: Unknown

01:29

Never

02:25

Exercise: Never

00:44

Answers: Never

01:05

Union Types

04:52

Exercise: Union Types

01:00

Answers: Union Types

01:47

Discriminated Unions

03:01

Exercise: Discriminated Unions

00:19

Answers: Discriminated Unions

01:25

Intersections

02:19

Exercise: Intersections

00:15

Answers: Intersections

00:27

Optional Fields on objects

03:13

Exercise: Optional Fields on objects

00:07

Answers: Optional Fields on objects

00:19

readonly and as

03:02

Exercise: readonly and as

00:24

Answers: readonly and as

00:39

Enums and Alternatives

08:11

Exercise: Enums and Alternatives

00:59

Answers: Enums and Alternatives

01:29

Type only features

02:52

Interface only features

01:17

Type and interface interactions

01:15

Summary: Types vs interfaces

00:28

Record

01:26

Exercise: Record

00:36

Answers: Record

00:33

Structural vs Nominal Types

04:03

Exercise: Structural vs Nominal Types

00:17

Answers: Structural vs Nominal Types

00:40

Typing Functions Basics

04:26

Exercise: Typing Functions Basics

00:34

Answers: Typing Functions Basics

01:13

Optional args

03:00

Exercise: Optional args

00:10

Answers: Optional args

00:15

Function overloads

02:53

Exercise: Function overloads

00:15

Answers: Function overloads

01:00

Rest params

02:08

Exercise: Rest params

00:44

Answers: Rest params

00:40

Declaring this

02:05

Exercise: Declaring this

00:41

Answers: Declaring this

01:24

What's a module?

03:23

Module resolution options

04:24

Exporting and importing types

04:16

Exercise: Exporting and importing types

00:45

Answers: Exporting and importing types

00:44

Type only imports

00:44

Exercise: Type only imports

00:06

Answers: Type only imports

00:07

Ambient types

03:15

Exercise: Ambient types

00:29

Answers: Ambient types

00:29

Namespaces

03:12

Exercise: Namespaces

00:26

Answers: Namespaces

00:34

Globals

01:54

Exercise: Globals

00:40

Answers: Globals

01:01

Typing classes

03:29

Exercise: Typing classes

00:22

Answers: Typing classes

00:45

field initializers

00:40

Exercise: field initializers

00:15

Answers: field initializers

00:19

Strict property initializers

01:21

Classes vs Types and interfaces

01:24

Exercise: Classes vs Types and interfaces

00:48

Answers: Classes vs Types and interfaces

00:33

Readonly fields

00:21

Exercise: Readonly fields

00:13

Answers: Readonly fields

00:15

Implements

01:06

Exercise: Implements

00:11

Answers: Implements

00:39

Private and protected fields

07:24

Exercise: Private and protected fields

00:31

Answers: Private and protected fields

00:28

Getters and setters

01:16

Exercise: Getters and setters

00:17

Answers: Getters and setters

00:51

Private and protected alternatives and edge cases

07:41

Exercise: Private and protected alternatives and edge cases

00:48

Answers: Private and protected alternatives and edge cases

00:35

Static members

05:08

Exercise: Static members

00:43

Answers: Static members

01:24

Abstract classes and methods

03:03

Exercise: Abstract classes and methods

00:16

Answers: Abstract classes and methods

00:47

Introduction

00:24

tsconfig settings

01:24

Converting to TypeScript

04:29

Consuming npm packages with types

02:25

Consuming types from definitely typed

02:36

Consuming JavaScript without types

03:55

Features to avoid

07:40

Conclusion

01:10

Meet Your Instructor

Cory House

Cory House

Cory has trained over 10,000 software developers at events and businesses worldwide. Cory is the principal consultant at reactjsconsulting.com, where he has helped dozens of companies transition to React over the last decade. He is an eleven time Microsoft MVP, and speaks regularly at conferences around the world. Cory lives in Kansas City and is active on Twitter/X as @housecor.

View all courses by Cory House

© 2025 Dometrain. All rights reserved.