
React
Authored by Yacine Hamdada
Computers
1st Grade
Used 6+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is ReactJS?
User-interface framework
Library for building interaction interfaces
Server side Framework
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
React is mainly used for building :
Database
Connectivity
Node application
User Interface
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
___ can be done while multiple elements need to be returned from a component.
Packing
Abstraction
Wrapping
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is used to pass data to a component from outside?
setState
conditional rendering
props
PropTypes
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following methods in a React Component is called after the component is rendered for the first time?
componentDidUpdate
componentDidMount
componentUpdate
componentRender
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the correct syntax for a button click event handler foo? (using functional component)
<button onclick={this.foo()}>
<button onclick={() => foo}>
<button onClick={() => foo}>
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a state in React?
A persistent storage.
An internal data store (object) of a component.
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