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  3. TypeScript Beginner Course

TypeScript Beginner Course

This beginner-friendly course is designed for developers who have basic knowledge of JavaScript and want to learn TypeScript from the ground up. Learners will understand how TypeScript enhances JavaScript by introducing static typing, better tooling, and improved code reliability. The course focuses on the essential language features required to build type-safe applications and provides plenty of practical examples and exercises.

By the end of this course, learners will be able to confidently develop TypeScript applications, create reusable components, work with objects and classes, organise projects using modules, and build small real-world applications using TypeScript best practices.

Course Prerequisites:

None

Course Snapshot

£25.00 / Hour

Level: BeginnerDuration: 14 HoursMode: Online / Virtual

What you will learn?

1. Introduction to TypeScript

  • What is TypeScript?
  • Why TypeScript?
  • TypeScript vs JavaScript
  • Installing TypeScript
  • Setting up Visual Studio Code
  • Creating your first TypeScript application
  • Understanding the TypeScript Compiler
  • Running and compiling TypeScript
  • Introduction to tsconfig.json

2. Variables and Data Types

  • Variable declarations
  • Type annotations
  • Type inference
  • Primitive types
  • String
  • Number
  • Boolean
  • Null and Undefined
  • Any
  • Unknown
  • Never
  • Type aliases

3. Arrays, Tuples and Enums

  • Typed arrays
  • Multi-dimensional arrays
  • Tuples
  • Optional tuple elements
  • Readonly arrays
  • Numeric enums
  • String enums

4. Functions

  • Function syntax
  • Function parameters
  • Return types
  • Optional parameters
  • Default parameters
  • Rest parameters
  • Arrow functions
  • Function overloading (Introduction)
  • Callback functions

5. Objects and Interfaces

  • Creating typed objects
  • Object type aliases
  • Nested objects
  • Optional properties
  • Readonly properties
  • Creating interfaces
  • Interface methods
  • Extending interfaces
  • Interface vs Type Alias

6. Union Types and Type Narrowing

  • Union types
  • Literal types
  • Type narrowing
  • typeof operator
  • instanceof operator
  • Basic type guards

7. Classes and Object-Oriented Programming

  • Creating classes
  • Constructors
  • Properties
  • Methods
  • Access modifiers
  • Public
  • Private
  • Protected
  • Static members
  • Getters and setters
  • Inheritance

8. Modules

  • Importing modules
  • Exporting modules
  • Default exports
  • Named exports
  • Organising project files
  • Project folder structure

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