The Ultimate ChatGPT Guide with React Native - Develop Mobile Apps  - Writing an Algorithm from Scratch with ChatGPT

The Ultimate ChatGPT Guide with React Native - Develop Mobile Apps - Writing an Algorithm from Scratch with ChatGPT

Assessment

Interactive Video

•

Information Technology (IT), Architecture

•

University

•

Practice Problem

•

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the concept of state in React, emphasizing its role in tracking and updating data within applications. It introduces the useState hook for managing state in functional components and demonstrates how to initialize state with data from a database. The tutorial also covers the JavaScript find method for retrieving data and connects state to database data. A practical example is provided to illustrate these concepts, concluding with a focus on making the app functional.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of state in a React application?

To manage the layout of the application

To keep track of data and allow changes

To handle user authentication

To style the components

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which hook is used in React to manage state in functional components?

useEffect

useContext

useReducer

useState

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best practice for naming the function that changes the state in React?

Use the prefix 'update'

Use the prefix 'set'

Use the prefix 'change'

Use the prefix 'get'

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of destructuring in the useState hook?

To import the hook

To create a pattern for storing and changing state

To render the component

To initialize the component

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it not ideal to initialize state with a hardcoded value?

It makes the application slower

It doesn't reflect dynamic data from a database

It complicates the code

It is not supported in React

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial value of likes set to in the useState hook example?

10

5

0

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What JavaScript method is used to find an element in an array that satisfies a condition?

filter

map

find

reduce

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