The TypeScript Handbook: Everyday Types (Part 1)

In this module, I've prepared detailed exercises to test your knowledge of TypeScript basics as described in The TypeScript Handbook: Everyday Types. Use these examples to see if you can translate the handbook's theoretical explanations to real code (part 1).

Sections

• 1. Primitives
• Ex. 1.1: string
• Ex. 1.2: number
• Ex. 1.3: boolean
• 2. Arrays
• Ex. 2.1: String Arrays
• Ex. 2.2: Number & Boolean Arrays
• 3. any
• Ex. 3.1: any Array
• 4. Type Annotations on Variables
• Ex. 4.1: Explicitly typed variables
• 5. Functions
• Ex. 5.1: Parameter & Return Type Annotations
• Ex. 5.2: Anonymous Functions
• 6. Object Types
• Ex. 6.1: Object Parameters with Optional Properties
• 7. Union Types
• Ex. 7.1: Primitive Unions