
React Concepts and Best Practices

Interactive Video
•
Computers
•
9th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is React primarily used for?
Creating user interfaces
Building server-side applications
Developing mobile apps
Managing databases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT part of the MERN stack?
Express
MongoDB
Python
React
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'index.js' file in a React project?
To style the application
To import and render the root component
To manage database connections
To define the main HTML structure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you ensure a prop is a specific type in React?
Using lifecycle methods
Using state management
Using prop types
Using default props
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to apply a background color in React using inline styles?
bgColor: 'red'
background: 'red'
backgroundColor: 'red'
background-color: 'red'
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a benefit of creating reusable components in React?
They allow for consistent styling across the application
They increase the complexity of the code
They reduce the need for CSS
They make the application slower
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you ensure that a list of items in React has unique keys?
Use a random number as the key
Use the index of the array as the key
Use the same key for all items
Use a unique property from the item, like an ID
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