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Preface
The book before you is a collaboration between myself—a web-focused, day-to-day
code slinger—and Ryan Vice—a veteran .NET expert turned web application Maven
and entrepreneur. I met Ryan at my current company while creating very complex web
applications for emergency response outts, such as EMS. At that time, the company
was building a revolution of its agship product. While it was still a very early time
for React, it offered something above and beyond all the current MV* frameworks: a
fresh approach to blazing-fast rendering. Since speed is paramount in the emergency
response industry, we embraced React. When an opportunity came along to write about
React, Ryan tapped me for assistance, and this book is the result of that.
It's great timing for a technology such as React. The open web platform has
succeeded because of a simple tenet: never break the Web. As a result, the DOM, the
in-browser data representation of a rendered web page, has grown to be enormous
and somewhat unwieldy. Every small touch on the DOM cascades into a urry of
calculation and reconciliation in order to update pixels on the screen. React treats
the DOM as the expensive resource that it is and makes operations on the DOM
minimal. The time saved is better spent running your complex application logic.
In this book, you'll learn the fundamentals of React as well as a pragmatic approach
to making web applications. You'll also learn how to choose the right tools for your
needs. In the rst three chapters, we'll start by thoroughly covering basic React
topics such as state, props, and JSX, as well as the more complex subject of forms
and validation. Chapter 4, Anatomy of a React Application, is something unique to a
book like this: a tour of web application anatomy and some design techniques that
can help you formulate a clear plan to build your apps. In chapters 5 through 9,
we'll build a multiuser blog application using the design techniques and supporting
libraries explored in the previous two chapters. Finally, in Chapter 10, Animation in
React, we'll have some fun by navigating through the many ways you can create cool
animations using React.
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