Bringing Redux State into HomeScreen - useDispatch and useSelector

Bringing Redux State into HomeScreen - useDispatch and useSelector

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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FREE Resource

The video tutorial explains how to manage product listings using Redux in a React application. It covers transitioning from Axios to Redux for state management, implementing useDispatch and useSelector hooks, and handling state changes. The tutorial also demonstrates how to display products, manage loading and error states, and simulate errors to test error handling. The instructor emphasizes the importance of separating concerns by using Redux for state management instead of making direct API calls from components.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for removing Axios from the component?

To simplify the code by using fewer libraries

To manage state more effectively using React Redux

To improve the performance of the application

To reduce the size of the component

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which hook is used to dispatch actions in React Redux?

useReducer

useDispatch

useState

useEffect

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the useSelector hook?

To manage local component state

To dispatch actions to the store

To select and retrieve parts of the state

To connect components to the Redux store

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the component handle loading states?

By using a loading bar at the top of the page

By hiding the component until loading is complete

By using a loading spinner component

By displaying a 'Loading' message

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when an error is thrown from the backend?

The request is retried automatically

The error is logged to the console

The application crashes

An error message is displayed in the component

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the reducer in this setup?

To update the state based on actions

To connect the component to the backend

To handle side effects in the application

To manage the lifecycle of components

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to pass dependencies to the useEffect hook?

To improve the readability of the code

To ensure the effect runs only when needed

To prevent memory leaks

To avoid unnecessary re-renders