What is TypeScript and Why Use It
Learn what TypeScript is, how it differs from JavaScript, and why it’s a game-changer for scalable application development.
TypeScript Guide
A complete, modern, and practical TypeScript guide split into Basic, Advanced, and Practical sections with examples and clear lessons.
Setting Up TypeScript in Your Project
Learn how to install TypeScript, configure your project with tsconfig.json, and compile TypeScript to JavaScript.
Basic Types and Type Annotations
Learn how to declare variables using TypeScript’s built-in types string, number, boolean, arrays, and more.
Functions and Type Inference
Learn how to define functions in TypeScript with typed parameters, return types, and automatic type inference.
Objects Interfaces and Optional Properties
Learn how to type objects using interfaces, add optional and readonly properties, and build consistent object structures.
Arrays Tuples and readonly
Learn how to type arrays, work with tuples, and enforce immutability using readonly in TypeScript.
Union Intersection and Literal Types
Learn how to combine types in TypeScript using union, intersection, and literal values to model complex logic safely.
Type Aliases vs Interfaces
Understand the differences between type aliases and interfaces, and learn when to use each in your TypeScript projects.
Working with Enums
Learn how to define and use enums in TypeScript to create clear, semantic constants with string or numeric values.
Type Assertions and Type Casting
Learn how to use type assertions in TypeScript to override inferred types and work safely with dynamic data.