AWS, JavaScript, React - Deploy Web Apps on the Cloud
 - Refactor the Fetch API Call

AWS, JavaScript, React - Deploy Web Apps on the Cloud - Refactor the Fetch API Call

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to refactor a React application by moving fetch logic into a separate utility function. It covers creating a fetcher.js file, integrating it into the main app, and addressing asynchronous issues using async/await. Debugging techniques are demonstrated to resolve data fetching problems. The tutorial concludes with suggestions for further improvements, such as error handling and consistent fetch patterns.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for separating fetch logic into a utility function in React?

To reduce the number of lines in app.js

To make the code more modular and reusable

To avoid using the Fetch API

To increase the speed of data fetching

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of creating a base URL constant in the fetch utility function?

To make the URL more readable

To avoid hardcoding the URL in multiple places

To improve the security of the application

To ensure the URL is always correct

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was the data not displaying on the page even though the server request was successful?

The server was down

The data was not being fetched

The fetch call was asynchronous and not awaited

The URL was incorrect

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the async keyword in JavaScript?

To make a function run faster

To allow a function to return a promise

To make a function synchronous

To prevent errors in code

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be done after declaring an async function to ensure it executes properly?

Declare it again

Call the function

Log it to the console

Use a debugger

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential issue that could arise if the fetch utility function does not handle errors?

The application will run faster

The application might crash or behave unexpectedly

The data will be fetched twice

The server will not respond

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What improvement is suggested for the fetch utility function in future videos?

Changing the base URL

Reducing the number of parameters

Implementing error handling

Adding more console logs

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