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).

Mar 23, 2026 · While TypeScript 6.0 maintains full compatibility with your existing TypeScript knowledge and continues to be API compatible with TypeScript 5.9, this release introduces a number of …

plain JavaScript. Playground allows you to compile TypeScript and see JavaScript output. Differences from typescriptlang.org/play: – All strict options turned on by default – More available compiler …

Apr 16, 2026 · TypeScript is a superset of JavaScript that compiles to clean JavaScript output. - Releases · microsoft/TypeScript

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 …

By intentionally not supporting syntaxes that require JavaScript code generation, and by replacing inline types with whitespace, Node.js can run TypeScript code without the need for source maps.

If your workspace has a specific TypeScript version, you can switch between the workspace version of TypeScript and the version that VS Code uses by default by opening a TypeScript or JavaScript file …

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 …