This mini-project is a continuation of the Demo project that we created in the preceding chapter. In this mini-project, you will add more functionality to the Counter component.
We have added a counter  “Increment” button in our Demo app so far. Now add another button that decrements the Current Count. The following screenshot shows the Counter app that you will build in this project:
The following concepts and skills of Blazor WebAssembly will be assessed in this project:
Razor components
Parameters in Blazor WebAssembly
Routing
Razor syntax
Good luck!