The Complete React Developer Course (with Hooks and Redux) - Manual Data Binding

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Information Technology (IT), Architecture
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University
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Hard
Wayground Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the initial problem with the count in the application?
The count was causing the application to crash.
The count was decreasing instead of increasing.
The count was not changing when the button was clicked.
The count was not displayed on the screen.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does JSX not have built-in data binding?
Because it is not supported by JavaScript.
Because JSX is only a syntax extension.
Because it requires manual rerendering of components.
Because it is not compatible with HTML.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the renderCounterApp function?
To log messages to the console.
To handle button clicks.
To initialize the application.
To rerender the application when data changes.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What challenge was given to the students in the video?
To debug the application.
To design a new user interface.
To implement minus one and reset functionalities.
To create a new React component.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does React ensure efficient rendering?
By minimizing the use of JavaScript.
By using a virtual DOM algorithm.
By caching all components.
By using server-side rendering.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a single piece of application state changes in React?
The application crashes.
Only the changed part is rerendered.
The entire application is rerendered.
The application becomes slower.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the virtual DOM in React?
To store all application data.
To calculate the minimal number of changes needed.
To handle user inputs.
To manage application state.
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