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.

The TypeScript compiler, named tsc, is written in TypeScript. As a result, it can be compiled into regular JavaScript and can then be executed in any JavaScript engine (e.g. a browser).

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.

Sep 4, 2025 · This TypeScript tutorial provides you with a step-by-step learning journey for mastering TypeScript. You will start with TypeScript fundamentals, and then move on to …

TypeScript is a language for application-scale JavaScript. TypeScript adds optional types to JavaScript that support tools for large-scale JavaScript applications for any browser, for any …

🎉 Latest Release TypeScript 5.8 is now available. Explore what's new in the latest version of TypeScript!

This TypeScript tutorial helps you master TypeScript. You'll learn the ins and outs of TypeScript programming.

TypeScript is an open-source language maintained and developed by Microsoft. Basically, TypeScript adds additional syntax to JavaScript to support a tighter integration with your editor.

TypeScript is a strict syntactical superset of JavaScript, adding optional static typing. Developed and maintained by Microsoft, it allows developers to use the latest ECMAScript features and …

Jul 11, 2025 · TypeScript is a programming language that adds static type checking to JavaScript. TypeScript is a superset of JavaScript, meaning that everything available in JavaScript is also …