Recap of the Project and Further Learning

Congratulations on making your journey this far!

Learning Outcome

From this QR code generator project, you have gained a lot of valuable knowledge in the topics

• React JS components
• Use state functions
• On Click method
• On Change method
• Integrating third party package from npm
• Adding styles to the component
• Your first GitHub commit
• Deploying the project

MCQs

Let’s recap the important concepts with MCQs.

1. In a React QR Code Generator, which hook is used to manage user input?

A. useEffect()
B. useContext()
C. useState()
D. useReducer()

Answer: C

2. What is the primary purpose of a QR Code Generator application?

A. To scan QR codes
B. To convert URLs or text into scannable QR codes
C. To encrypt data
D. To create barcodes only

Answer: B

3. What input does a user typically provide to generate a QR code?

A. Image
B. Color
C. Text or URL
D. Email

Answer: C

4. What is the purpose of the onClick event in the Generate button?

A. To change the button style
B. To run the QR code creation logic
C. To update input fields
D. To reload the page

Answer: B

5. Which JavaScript library is commonly used to generate QR codes in web projects?

A. jQuery
B. Axios
C. Chart.js
D. qrcode or qrcode-generator

Answer: D

Course

If you want to learn more about React JS and Full-stack development, consider enrolling in GUVI’s Full-stack development course that teaches you everything from scratch and equips you with all the necessary knowledge!