Introduction to React

ReactJS is a declarative, efficient, and flexible JavaScript library for building reusable UI components. It is an open-source, component-based front end library responsible only for the view layer of the application. React will handle efficiently updating and rendering just the right components in your application when your data changes. DOM updates which is one of the more expensive operations is handled gracefully in React. It was created by Jordan Walke, who was a software engineer at Facebook.

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Quizzes

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1

React is a **___**?

Javascript Library

Javascript Framework

Both

None

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2

Which of the following are the advantages of React.js?

React.js can increase the application's performance with Virtual DOM.

React.js is easy to integrate with other frameworks such as Angular, BackboneJS since it is only a view library.

React.js can render both on client and server side.

All of the above

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3

React is **___** in nature?

Declarative

Imperative

None

Both 1 & 2

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4

React is created and maintained by

Google

Facebook (Meta)

Airbnb

Only open-source community

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5

What is React.js in MVC?

Model

View

Controller

None

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6

React is based on ____?

Component

Module

Services

All

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7

What does React.js use to increase performance?

Virtual DOM

Real DOM

Local DOM

None

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8

React is mainly for building

Database

Connectivity

Design Platform

User Interfaces

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