TypeScript is JavaScript with syntax for types. TypeScript is a strongly typed programming language that builds on JavaScript, giving you better tooling at any scale.

TypeScript is JavaScript with added syntax for types. TypeScript is developed and maintained by Microsoft.

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).

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 host, on any OS.

Mar 11, 2026 · TypeScript is a superset of JavaScript that adds extra features like static typing, interfaces, enums, and more. Essentially, TypeScript is JavaScript with additional syntax for defining …

TypeScript Documentation Get Started Quick introductions based on your background or preference. TS for the New Programmer TypeScript for JS Programmers TS for Java/C# Programmers TS for …

These introductions are intended to highlight key similarities and differences between TypeScript and your favored programming language, and clear up common misconceptions specific to those …

You can install TypeScript as a Visual Studio extension, which will allow you to use TypeScript across many MSBuild projects in Visual Studio. The latest version is available in the Visual Studio Marketplace.

The Playground lets you write TypeScript or JavaScript online in a safe and sharable way.

The main benefit of TypeScript is that it can highlight unexpected behavior in your code, lowering the chance of bugs. This tutorial provides a brief overview of TypeScript, focusing on its type system.