Learning Blazor

Chapter 2. Executing The App

A Note for Early Release Readers

With Early Release ebooks, you get books in their earliest form—the author’s raw and unedited content as they write—so you can take advantage of these technologies long before the official release of these titles.

This will be the second chapter of the final book.

If you have comments about how we might improve the content and/or examples in this book, or if you notice missing material within this chapter, please reach out to the editor at [e-mail].

In this chapter, you’ll learn how a Blazor WebAssembly app starts executing. From the rendering of static HTML to the invocation of JavaScript that bootstraps Blazor, exploring the anatomy of the app. This includes the Program entry point and the startup conventions. You’ll learn about the router, client-side navigation, shared components, and layouts. You’ll also learn about top-level navigation and custom components in the app. All of this will be taught using the “Learning Blazor” sample application’s source code.

Try to embrace the mindset that you’re onboarding as a new developer to an existing application — much like you would in the real world. Try to imagine that you’re starting a new journey, where you’re getting brought up to speed on an existing codebase. The idea is that I’ll be your mentor, I’ll meticulously walk through the code, presenting it to you and explaining what exactly it’s doing, and how it’s doing it. You’ll learn why certain decisions ...