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Alex Spinov
Alex Spinov

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Deno Has a Free Secure JavaScript Runtime — TypeScript Out of the Box, No node_modules

#javascript #typescript #webdev #opensource

Ryan Dahl, the creator of Node.js, had regrets. No built-in TypeScript. No security model. The node_modules black hole. So he built Deno.

Deno is a free, secure JavaScript/TypeScript runtime. Built-in TypeScript, permissions system, standard library, and no node_modules folder.

What Deno Offers for Free

  • TypeScript Native - Run .ts files directly, no config
  • Security by Default - Explicit permissions for file, network, env access
  • No node_modules - URL imports or import maps
  • Standard Library - Audited standard modules for common tasks
  • Built-in Tooling - Formatter, linter, test runner, bundler
  • Web Standard APIs - fetch, WebSocket, Web Crypto built in
  • Node Compatibility - npm package support via compatibility layer
  • Deno Deploy - Serverless edge hosting

Quick Start 

curl -fsSL https://deno.land/install.sh | sh
# Run TypeScript directly
deno run --allow-net server.ts
# Or a URL
deno run https://examples.deno.land/hello-world.ts
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GitHub: denoland/deno - 99K+ stars

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