TypeScript

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

Created Year: 2012
Created by: Steven Lucco • Anders Hejlsberg
Designed by: Microsoft
Developed by: Microsoft
Implemented in: JavaScript • TypeScript
Aliases: .ts, TS
File extensions: ts, tsx

Wikidata: Q978185

Influenced: Ballerina • Chaos

Influenced by: CoffeeScript • C# • Java • JavaScript

Programming paradigms: imperative programming • generic programming • object-oriented programming • event-driven programming • functional programming

Language types: strict programming language • high-level programming language • scripting language • event-driven programming language • imperative programming language • functional 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: 2026-10-23