Deno

What is Deno?

Deno is a JavaScript/TypeScript runtime created by Ryan Dahl, the original creator of Node.js. It addresses several design regrets he identified in Node.js, including better security defaults, a built-in package manager that uses URL imports, and first-class TypeScript support without requiring additional tooling. The runtime is built on Rust and Tokio for high performance. Unlike Node.js, Deno executes code in a secure sandbox by default, requiring explicit permission for file system, network, or environment access. It includes a built-in test runner, linter, formatter, and supports Web APIs like fetch, making it compatible with browser code. Deno's single executable approach and comprehensive standard library make it suitable for server-side applications, scripts, and web servers.

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