Deno is a modern runtime for JavaScript, TypeScript, and WebAssembly, designed to address some of the limitations of Node.js. Created by Ryan Dahl, the original developer of Node.js, Deno emphasizes security, simplicity, and developer productivity.
ts-node or Babel to run TypeScript, Deno supports TypeScript out of the box. This eliminates configuration overhead and improves developer experience.node_modules or package.json files.deno lint), formatter (deno fmt), test runner (deno test), and bundler (deno bundle) as part of its core runtime. To install Deno:
curl -fsSL https://deno.land/install.sh | shirm https://deno.land/install.ps1 | iex.Run your first program:
Deno.serve((_req) => new Response("Hello, world!")); Execute it with:
deno run --allow-net server.ts Deno represents a significant evolution in JavaScript runtimes by prioritizing security, simplicity, and modern development practices.
Its built-in tools and native TypeScript support make it an attractive choice for modern web development projects.
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