Dariusz Jędrzejczak

Deno: the greatest thing since sliced bread Node.js

2021-08-01 edit: to be clear I am not recommending Deno for non-experimental use here. Its maturity is far from that of Node.js at this time. It is a very interesting new JS runtime with ambitions to compete that are well-founded on a technical level in my opinion. In other words: Deno is worth to keep an eye on as an emerging technology with potential to become very relevant in the near future. It is a good bet for open-source contributors who will play a crucial role in making that happen.

In this post I would like to bring attention to Deno[W] which is a new runtime for TypeScript, created by Ryan Dahl[W], the original creator of Node.js[W].

There are many reasons why I really like this project and I believe it is a worthy successor to Node.js. Here I will highlight three general points.


Deno logo.
Source: deno.land/artwork. Author: kevinkassimo. License: MIT.


Like Node.js, Deno features a non-blocking, event-driven architecture, and is built on V8[W]. What sets Deno apart:


Deno aims for better compatibility with browsers. In particular:

Integrated and simple

Deno bets on simplicity and high integration:


The official Deno website is a good starting point to dig in to learn more.