TypeScript: From Zero to Professional
A complete, beginner-friendly journey into TypeScript, the typed superset of JavaScript used by professional teams everywhere. Starting from why types matter at all, this course walks you step by step through the full TypeScript language: basic types, functions, objects and interfaces, classes, unions and narrowing, enums, generics, and the advanced type system features (mapped types, conditional types, template literal types, and utility types). You will also learn how TypeScript fits into real projects: modules and declaration files, working with third party JavaScript libraries, asynchronous code, Node.js and React, linting and strict mode, testing, and how to structure and read large professional codebases. Every lesson uses plain language and everyday examples, with runnable code you can copy and try yourself, so you can go from writing your first typed variable to building fully type-safe, production-ready applications.