Upgrading Deno is incredibly easy, with the deno upgrade command. You can also downgrade or upgrade to a dev channel just as easily. You can access the version programatically with Deno.version. View code on GitHub

Deno is off to a good start in its path to replace NodeJS. It’s secure by default, and since it was created by the creator of NodeJS, you know it’s good. Here’s a simple line reader project, same as my C# and NodeJS videos, just showing how to parse a text file line by line. […]