React JS - Evaluate yourself
React JS Self-Evaluation Quiz
Test your knowledge of React JS with our comprehensive self-evaluation quiz! This quiz is designed for developers of all skill levels to assess their understanding of core concepts and key components of the React framework.
Key Features:
- Multiple choice and checkbox questions
- Covers fundamental topics in React
- Score yourself and identify areas for improvement
Which method in a React Component should you override to stop the component from updating?
WillComponentUpdate
ShouldComponentUpdate
ComponentDidUpdate
ComponentDidMount
What's used to pass data to a component from outside?
SetState
Render with arguments
PropTypes
Props
Which method in a React Component is called after the component is rendered for the first time?
ComponentDidUpdate
ComponentDidMount
ComponentMounted
ComponentUpdated
ReactJS focuses on which of the following part when considering MVC?
M (Model)
V (View)
C (Controller)
Everything in React is a
Module
Component
Package
Class
In which directory React Components are saved?
Inside js/components/
Inside vendor/components/
Inside external/components/
Inside vendor/
How many elements does a react component return?
2 Elements
1 Element
Multiple Elements
3 Elements
What is Babel?
A transpiler.
An interpreter
A Compiler
Both Compiler and Transpilar
What does the "webpack" command do?
Transpiles all the Javascript down into one file
Runs react local development server.
A module bundler
A Compnent
What is ReactJS?
Server side Framework
User-interface framework
A Library for building interaction interfaces
Client side Framework
What are the two ways that data gets handled in React?
Services & components
State & props
Class & Object
Query & Binary
What port is the default where the webpack-dev-server will run?
3000
8080
3306
9090
What is state in React?
A persistant storage.
An internal data store (object) of a component.
Which of the following concepts is/are key to ReactJS?
Component-oriented design
Event delegation model
Object Oriented Model
None
Which of the following API is a MUST for every ReactJS component?
GetInitialState
Render
RenderComponent
RenderClass
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