deno

Project Overview

Deno is a runtime for JavaScript, TypeScript, and WebAssembly. It is built on V8, Rust, and Tokio, providing secure defaults and an excellent developer experience.

Key Features

• Native support for JavaScript, TypeScript, and WebAssembly
• Secure defaults (explicit permission model)
• Built-in web server capabilities
• Multiple installation methods
• Official standard library
• JSR package registry

Target Audience

• JavaScript/TypeScript developers
• Users who want a runtime with secure defaults
• Developers seeking a modern development experience

Quick Start

1. Install Deno:
   • Mac/Linux: curl -fsSL https://deno.land/install.sh | sh
   • Windows: irm https://deno.land/install.ps1 | iex
2. Create a server.ts file with web server code
3. Run: deno run --allow-net server.ts
4. Visit http://localhost:8000

Core Advantages

• Native TypeScript support – no extra compilation step
• Secure permission model (explicit grants required)
• High performance, built on Rust and Tokio
• Modern package management (JSR)

System Requirements

• OS: Windows/macOS/Linux
• Architectures: x86_64, arm64
• Additional Dependencies: None

Notes

• Permissions must be explicitly granted (e.g., --allow-net)
• Not fully compatible with Node.js