In this chapter, I provide a brief overview of HTML and explain how HTML content can be mixed with JavaScript code when using JSX, which is the superset of JavaScript supported by the React development tools that allows HTML to be mixed with code. I also introduce the Bootstrap CSS framework, which I use to style the content in the examples throughout this book.
Note
Don’t worry if not all the features described in this chapter make immediate sense. Some rely on recent additions to the JavaScript language that you may not have encountered before, which are described in Chapter 4 or explained in detail in ...