What is React
React is a flexible and efficient open source front-end JavaScript library which was developed by Jordan Walke, a software engineer from Facebook in 2011. It used for building user interfaces especially for single page applications. It is used for developing view layer of web and mobile apps. React was first deployed on Facebook’s News Feed in 2011 and later used in WhatsApp and Instagram.
What is the main advantage of ReactJS?
One of the most significant advantages of React. js is that its Document Object Model (DOM) is declarative. In other words, the UI is adjusted when developers change the app’s state when interacting with DOM. Because it uses the declarative approach, it’s generally easier to follow and understand the code
Easy creation of dynamic applications: React makes it easier to create dynamic web applications because it requires less coding and offers more functionality, as opposed to JavaScript, where coding often gets complex very quickly. Improved performance: React uses Virtual DOM, thereby creating web applications faster.
Is React backend or frontend?
No. React is a front-end JavaScript library. React is capable of making API calls (sending the request to the backend), which deal with the data. React cannot process the database or the data source itself.
What is ReactJS vs angular?
Angular is a Javascript framework built using Typescript, while Reactjs is a Javascript library and built using JSX. Angular is mostly used to build complex enterprise-grade apps like single-page apps and progressive web apps, while React is used to build UI components in any app with frequently variable data
Which language is used in React?
JavaScript
React components are typically written using JSX, although they do not have to be (components may also be written in pure JavaScript).
Is React easy to learn?
Both HTML and CSS are integral to any web development project. If you have these skills already, then learning React should be a relatively straightforward process. It has its own unique set of challenges, but it is an excellent tool to have in order to start or further your career as a web developer.
