The easiest way to create a Blazor project (assuming that you've kept your version of Visual Studio 2017 up-to-date) is to use File | New | Project, pick the ASP.NET Core Web Application project type, ...

In a previous column, I showed how to create a "Hello, World" application that integrated JavaScript functions and C# Blazor methods. However, my Blazor-world and JavaScript-world code didn't interact ...