Overview

Deno (pronounced dee-no) is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults and a great developer experience.

It's built on V8, Rust, and Tokio.

Highlights

• Provides web platform functionality and adopts web platform standards. For example using ES modules, web workers, and support fetch().
• Secure by default. No file, network, or environment access unless explicitly enabled.
• Supports TypeScript out of the box.
• Ships a single executable (deno).
• Provides built-in development tooling like a code formatter (deno fmt), a linter (deno lint), a test runner (deno test), and a language server for your editor.
• Has a set of reviewed (audited) standard modules that are guaranteed to work with Deno.
• Can bundle scripts into a single JavaScript file or executable.
• Supports the use of existing npm modules.

Learn More

• Documentation