This creates a new HTML element (for a line break, this would be a BR). Then you just need to decide what element you want to attach it to (which he did by using getElementByID).<BR><BR><pre class ...

Integrating JavaScript and Blazor is a little awkward because you can't add JavaScript to a Blazor C# file. However, you can add JavaScript to the Index.html page under the wwwroot folder in the ...