Chapter 1: Getting Started with Redux
by Michael Wanyoike
A typical web application is usually composed of several UI components that share data. Often, multiple components are tasked with the responsibility of displaying different properties of the same object. This object represents state which can change at any time. Keeping state consistent among multiple components can be a nightmare, especially if there are multiple channels being used to update the same object.
Take, for example, a site with a shopping cart. At the top we have a UI component showing the number of items in the cart. We could also have another UI component that displays the total cost of items in the cart. If a user clicks the Add to Cart button, both of these components ...
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