Introduction
Deno is a modern JavaScript/TypeScript runtime created by the original author of Node.js, built on V8 and Rust. It's a single-file executable, secure by default, with native support for TypeScript.
Key features
- Native
TypeScriptand ES modules - Permission sandbox (file, network, environment)
- Built-in tools:
deno run,deno fmt,deno lint,deno test,deno bundle - Official standard library
deno.land/stdand module registrydeno.land/x
Use cases and advantages
Suitable for backend services, edge deployments, CLI tools, and scripts. Its main advantages are being secure by default, single-binary deployment, reduced external dependencies, a modern modular API compatible with browsers, and a complete built-in developer toolchain that helps developers and teams focus on code quality and deployment efficiency.