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TypeScript Tutorials – Learn TypeScript from Basics to Advanced

TypeScript adds a type system on top of JavaScript, catching errors before your code runs. These guides cover setup, the core type system, functions, and the more advanced features you'll reach for as your projects grow. Each article focuses on one concept and explains not just how to use it, but when.

Setup & Tooling

How to get TypeScript installed, running, and debuggable in your development environment.

Learn TypeScript on Mimo

CAREER PATHFull-Stack Developer

Become a full-stack developer. Learn HTML, CSS, JavaScript, and React as well as NodeJS, Express, and SQL

Beginner friendly

COURSETypeScript

Add type safety to JavaScript. Learn types, interfaces, generics, and TypeScript best practices

Intermediate

Types & Interfaces

The foundation of TypeScript. These guides cover how to define and structure types, the difference between types and interfaces, and how to work with arrays, enums, and variables.

Functions

TypeScript gives you fine-grained control over how functions accept and return data. These guides cover typing parameters, return values, and the function signature itself.

Advanced Types

Once you know the basics, these features give you more precise control over how TypeScript understands and narrows your data at runtime.

Arrays, Objects & Strings

How TypeScript handles the data structures and string operations you use in everyday code.

Classes

TypeScript extends JavaScript classes with access control, inheritance, and abstract definitions. These guides cover everything from the constructor to more advanced OOP patterns.

Async, Modules & Decorators

Working with asynchronous code, organizing TypeScript across files, and using decorators for metadata-driven patterns.

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