TypeScript

Curriculum

8 chapters, each with a tutorial, a live example, a quiz, an exercise, a challenge, and class practice.

1. 1

   Introduction to TypeScript

   Why add types to JavaScript.

   preview
2. 2

   Basic Types

   string, number, boolean, arrays, and unions.

3. 3

   Interfaces

   Describing the shape of an object.

4. 4

   Functions & Types

   Typing parameters and return values.

5. 5

   Generics

   Writing reusable, type-safe functions and types.

6. 6

   Enums

   Naming a fixed set of related values.

7. 7

   Type Narrowing

   typeof, instanceof, and discriminated unions.

8. 8

   Classes & Access Modifiers

   public, private, and protected.