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Node.js VS Deno: Will Deno replace Node.js?

 Once Deno released there were so many questions and speculations related to Deno and Node.js, one of them was is Deno going to replace node.js?

I think Node.js is pretty much mature and well-established technology. Node.js is also incredibly supported by companies and the community. So for sure, Node.js will be around for a while and Deno is not going to replace it overnight.

Since Deno is like a replacement for Node.js, Let's look at some of the similarities between them.

  • Both Deno and Node.js are developed upon the Chromium V8 Engine.
  • Both are built to develop server-side applications.

Let's dig into the differences between them:

  • Node.js is written in C++ and JavaScript. Deno is written in Rust and TypeScript
  • Node.js has a package manager called npm. Deno doesn’t have a package manager and it lets you import modules directly via URL.
  • Node uses the CommonJS syntax for importing packages deno uses modern ECMAScript features in all its API and standard library, while Node.js uses a callbacks-based standard library and has no plans to upgrade it.. Deno uses ES Modules, the official way.
  • Deno offers a sandbox security layer through permissions. A program can only access the permissions set to the executable as flags by the user. A Node.js program can access anything the user can access.

Thanks for reading. If you have some feedback, please reach out to me on Twitter or Github.


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