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How Deno differs from Node.js

How Deno differs from Node.js

Deno improves upon Node.js in some significant ways.


Modules are loaded directly from URLs and cached locally.

import confetti from "";

This allows decentralization of packages by removing reliance on npm and enabling developers to self-host their packages.

Consequently, this removes the need for package.json and node_modules, and allows programs to run in the browser since there is no reliance on build tools like webpack.


Because code is executed in a sandbox, the Deno runtime has no access to the file system, and the network. Flags like --allow-write and --allow-net can be used to explicitly enable access.

In addition to the above features, Deno supports TypeScript out of the box, and has a built-in formatter for code similar to ESLint for Node.js.

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