TypeScript code converts to JavaScript, which runs anywhere JavaScript runs: In a browser, on Node.js, Deno, Bun and in your apps. TypeScript understands JavaScript and uses type inference to give you …

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.

TS (This) refers to the slang term "TS," which is an abbreviation for "this shit" or "that shit." However, many internet users mistakenly believed that TS was short for "this" after the abbreviation was used …

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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 …

Downloadable syntax reference pages for different parts of everyday TypeScript code. Find TypeScript starter projects: from Angular to React or Node.js and CLIs.

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