ReactJS Quiz
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Hai Nguyen
Used 18+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the best definition of React.js?
Server-side Framework
User-interface framework
A Library for building interaction interfaces
None of These
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the purpose of using JSX in React?
To style components
To make API calls
To describe what the UI should look like
To manage state
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In React.js, how we can pass the data from one component to another in React.js?
SetState
Render with arguments
Props
PropTypes
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How does data flow naturally in React apps?
From parents to children
From children to parents
Both ways
The developers decides.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is true about key props?
"Key" props are used to look beauty
"Key" prop is a way to identify the newly added element
It is one type of attribute of HTML
It is not used in the array
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An effect will always run on the initial render.
True
It depends on the dependency array
False
In depends on the code in the effect
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
What triggers a UI re-render in React?
Running an effect
Passing props
Updating state
Adding event listeners to DOM elements
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