After two years of development, Deno 1.0 was recently released and it has everyone talking. In this article, I want to give you a quick introduction to Deno, how to install it and how to create your first application. Finally, we will take a look at some of the features that make Deno an exciting project to pay attention to.

What is Deno?

Deno is a secure runtime for JavaScript and TypeScript. Wait, a runtime for JavaScript, isn’t that what Node is? Yes, and Deno was created by Ryan Dahl, the creator of Node.

As most developers do we often look back at projects that we built and think about what we might do different if we started it from scratch today. Ryan has a popular talk called 10 Things I Regret About Node.js

I know what you’re thinking because I was thinking the same thing before I watched that video. Why not just address all of these concerns in Node instead of starting a brand new project. Node has grown into a massive project used by millions and it’s not going anywhere. This led Ryan to create a new project called Deno and fix the problems he had with Node.

The first major difference with Deno is that it is written in Rust while Node was written in C++. Like Node it executes JavaScript using V8 which is Google’s open-source high-performance JavaScript and WebAssembly engine.

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