AWS, JavaScript, React - Deploy Web Apps on the Cloud
 - UseContext Hook and UseReducer Hook in React

AWS, JavaScript, React - Deploy Web Apps on the Cloud - UseContext Hook and UseReducer Hook in React

Assessment

Interactive Video

•

Information Technology (IT), Architecture

•

University

•

Practice Problem

•

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to create a cart context in React to manage the state of a shopping cart. It covers setting up a cart context provider, creating an add product function, and using context values. The tutorial also demonstrates how to implement the useContext hook in components and create a reducer for state management. Finally, it includes testing and debugging the implementation, providing a foundation for more advanced state management techniques like Redux.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of creating a cart context provider in a React application?

To manage the initial state of a shopping cart

To style the application components

To handle user authentication

To manage API requests

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the cart context provider make the context available to the entire application?

By using a service worker

By wrapping the app component

By using a global variable

By importing it in every component

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the 'add product' function in the cart context?

To update the user profile

To add items to the cart

To fetch product details

To remove items from the cart

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which React hook is used to access the cart context in a component?

useEffect

useState

useReducer

useContext

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'useContext' hook in React?

To perform side effects

To handle form submissions

To access context values

To manage component lifecycle

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a reducer function used for in the context of managing state?

To handle user input

To render UI components

To modify the state based on actions

To fetch data from an API

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a reducer, what does the 'action' parameter typically represent?

A list of components

The current state

A function to update the state

An object describing the change

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