In this tutorial, we'll go over how to use and understand React Hooks. This article is an extension of article how-to-manage-state-with-hooks-on-react-components. It has been expanded with other Hooks and logic and Lessons Learned.
Here we create a simple product page with a shopping cart (see image 2). The shopping cart represents the memory (or the 'state') of the product page. The state generally refers to application data that must be tracked.