React JS Masterclass - Go From Zero To Job Ready - Custom Hook (useFetch) / 038

React JS Masterclass - Go From Zero To Job Ready - Custom Hook (useFetch) / 038

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This lecture explains how to create and use custom hooks in React for data fetching. It covers the purpose of custom hooks, the steps to create one, and how to implement and use it in a React component. The lecture also addresses error handling and managing null values, providing a comprehensive guide to making reusable and efficient hooks.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for creating a custom hook?

To avoid using built-in hooks

To reuse code and improve efficiency

To make the code more complex

To create more endpoints

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the naming convention for a custom hook?

Use any name as long as it is descriptive

Start with 'hook' followed by the hook's purpose

Start with 'custom' followed by the hook's purpose

Start with 'use' followed by the hook's purpose

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default state value when using useState in the custom hook?

A string

Null

A boolean value

An empty array

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which React hook is used to perform side effects in the custom hook?

useState

useEffect

useReducer

useContext

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you import a custom hook into a component?

By using a special React function

By copying the hook's code into the component

By using the 'require' statement with the hook's name

By using the 'import' statement with the hook's name

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of destructuring the returned object from the custom hook?

To prevent errors

To make the code more complex

To access multiple properties easily

To avoid using useState

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if the data returned by the custom hook is null?

Render a loading spinner

Ignore the null value

Perform conditional rendering

Render an error message

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