Beginner's Guide to Using SignalR (WebSockets) via .NET Core

The entire point of using a technology like SignalR is updating remote clients in real-time. I wanted a simple example that would allow readers to see how it might work, by making a helpful example and introduction to SignalR. This article covers creating a .NET Core Web App using Visual Studio Code and the dotnet command line to use SignalR in your project. We'll add new HTML page, JavaScript, references (using nuget), and generating a SignalR Hub class that will send the data to the other browsers.