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.

Find TypeScript starter projects: from Angular to React or Node.js and CLIs.

Free online TypeScript tutorial from W3Schools.com, complete with Try it Yourself examples and exercises.

TypeScript was released to the public in October 2012, with version 0.8, after two years of internal development at Microsoft. [14][15] Soon after the initial public release, Miguel de Icaza praised the …

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. …

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.

Jun 18, 2026 · The TypeScript type-checker does all this, and is also the foundation of great tooling in your editor and elsewhere, making coding even easier. If you've written JavaScript in editors like …

TypeScript is a syntactic superset of JavaScript which adds static typing. This basically means that TypeScript adds syntax on top of JavaScript, allowing developers to add types.

TypeScript 是 JavaScript 的一个超集，支持 ECMAScript 6 标准（ES6 教程）。 TypeScript 由微软开发的自由和开源的编程语言，在 JavaScript 的基础上增加了静态类型检查的超集。 TypeScript 设计目 …

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 …