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TypeScript is a high-level programming language that adds static typing with optional type annotations to JavaScript. It is designed for developing large applications and transpiles to JavaScript. It is developed by Microsoft as free and open-source software released under an Apache License 2.0. Wikipedia

Created Year: 2012
Created by: Anders Hejlsberg
Designed by: Microsoft
Developed by: Microsoft
Implemented in: JavaScriptTypeScript
Aliases: .ts, TS
File extensions: ts, tsx

Wikidata: Q978185

Influenced: BallerinaChaos

Influenced by: CoffeeScriptC#JavaJavaScript

Programming paradigms: event-driven programmingfunctional programminggeneric programmingimperative programmingobject-oriented programming

Language types: event-driven programming languagefunctional programming languagehigh-level programming languageimperative programming languagescripting languagestrict programming language

TypeScript Influence Network

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Hello World in TypeScript

console.log("Hello World");

Free TypeScript books, articles, documentation

Angular

:information_source: See also … AngularJS

Deno

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Latest data update: 2025-08-09