TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.

Examples in Each Chapter Our "Try it Yourself" editor makes it easy to learn TypeScript. You can edit TypeScript code and view the result in your browser.

Jul 23, 2025 · TypeScript is a strongly typed, object-oriented, compiled programming language developed and maintained by Microsoft. It is a superset of JavaScript, adding static types and other …

Jan 30, 2025 · Interested in learning the TypeScript list of commands or want a quick reference to any TypeScript syntax? We’ve got you covered with this comprehensive TypeScript cheat sheet.

Downloadable syntax reference pages for different parts of everyday TypeScript code. Find TypeScript starter projects: from Angular to React or Node.js and CLIs.

This TypeScript cheatsheet provides a concise reference to key TypeScript concepts, including types, functions, interfaces, and classes. It covers advanced topics such as generics, decorators, and type …

Start using TypeScript with zero friction. It's fully compatible with existing JavaScript codebases. Get advanced autocompletion, refactoring tools, and real-time error feedback in your editor. Learn …