Elevate your JavaScript skills by learning TypeScript, a language designed to create more reliable and maintainable code. TypeScript enhances JavaScript with its type system, helping you …

Ready to start your journey into the TypeScript programming language? Take Learn TypeScript: Fundamentals—TypeScript builds on your JavaScript foundation so you can develop higher …

Dive into intermediate TypeScript concepts including class types, type narrowing, and generics.

Code written in TypeScript compiles to regular JavaScript. Anything you write in TypeScript can be run wherever it could be in JavaScript: web browsers, Node servers, and more.

Learn TypeScript: Fundamentals Apply the JavaScript syntax to TypeScript’s type system to give your code more structure.

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Nov 6, 2025 · TypeScript, the superset of JavaScript, is now the most-used language on GitHub. Here’s why the language is dominating AI development and how to learn TypeScript at any level.

Web development courses at Codecademy helps you master HTML, CSS, JavaScript, React, and more. Learn to build web apps and websites.

Build dynamic web apps with Angular using TypeScript and JavaScript. Courses cover components, services, routing, and real-world application structure.

Continue your TypeScript learning journey with Learn TypeScript: Functions. In addition to variable types, TypeScript allows you to declare the expected types of your function …