React JS Masterclass - Go From Zero To Job Ready - Reducer / 088

The video tutorial covers the implementation of a card reducer in a React application. It explains the use of useReducer for managing state and dispatching actions to update the cart list and total. The tutorial demonstrates how to add and remove items from the cart using dispatch and provides a detailed walkthrough of integrating these methods into the app. The session concludes with a summary and outlines future tasks for updating totals and refining the app.

What is the purpose of the card reducer in the context of managing a cart?

What information is typically stored in the 'payload' when performing actions like 'add to cart'?

Explain the role of 'state' and 'action' in the card reducer.

What is the significance of the 'initial state' when using the useReducer hook?

Describe how the 'dispatch' function enhances the capabilities of state management compared to 'set state'.

What are the three main cases that the card reducer needs to handle?

What happens if an action type does not match any case in the reducer?

Explain how the 'add to cart' method updates the cart list.

How does the 'remove from cart' functionality work in the context of the card reducer?

How can the total number of items in the cart be updated and displayed in the application?