AWS, JavaScript, React - Deploy Web Apps on the Cloud
 - Rendering the Categories

AWS, JavaScript, React - Deploy Web Apps on the Cloud - Rendering the Categories

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

In this video tutorial, the instructor guides viewers through the process of improving a React-based web store by creating a separate category component. The tutorial covers the use of arrow functional components, passing props, and destructuring in React. It also addresses common errors and demonstrates alternative methods for mapping data. The video concludes with a preview of adding an onclick event to fetch products by category.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial improvement made to the store's website?

Added new categories

Improved styling

Added user authentication

Integrated a payment gateway

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of creating a separate component for categories in React?

To reduce the number of files

To make the code more complex

To split functionality into smaller parts

To increase the website's loading time

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which snippet is used to create an arrow functional component in React?

RCE

RAC

RAFCE

RAFC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to provide a key when using the map function in React?

To reduce code size

To increase security

To keep dynamic elements independent

To improve performance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What precaution is taken to handle potential undefined results in the refactored code?

Using a default value

Adding a try-catch block

Checking if results exist before rendering

Logging an error message

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake when destructuring props in React?

Not using a return statement

Forgetting to export the component

Using parentheses instead of curly braces

Forgetting to import React

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What error might occur if you forget to use curly braces when destructuring props?

Unexpected token

Component not found

Objects are not valid as a React child

Syntax error

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