Introducing React

Ignoring for a moment that web apps today both look and feel nicer than they did back in the day, something even more fundamental has changed. The way we architect and build web apps is very different now. To highlight this, let’s take a look at the app in Figure 1.1.

An illustration shows a set of windows that represent a typical web app. The left pane of the app shows a search bar and a set of navigation links. The right pane shows several thumbnails and related content.

Figure 1.1 An app.

This app is a simple catalog browser for something. As with any app of this sort, you have your usual set of pages revolving around a home page, a search results page, a details page, and so on. In the following sections, let’s look at the two approaches we have for building this app. Yes, in some mysterious fashion, this leads to us getting ...

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