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What is React Js? React is a JavaScript library for building user interfaces. It was developed by Facebook and is now maintained by Facebook and a community of individual developers and companies. React focuses on building reusable UI components and managing the state of these components efficiently. React allows developers to build UI components as a function of the component's state, which is an object that represents the component's data. React automatically re-renders a component when its state changes, ensuring that the component's view is always up-to-date. This makes it easier to build complex, dynamic UIs and helps prevent bugs that can result from manually managing the state of a component. React uses a virtual DOM (Document Object Model) to increase the performance of updates. The virtual DOM is a lightweight in-memory representation of the actual DOM, and React uses this representation to calculate the minimal amount of DOM updates that are necessary when the

Is it a good job to be a React Developer? In the world of front-end technologies, developers experience a vibrant growth in context with creating websites, web applications, and apps. Nowadays, companies are interested in applying the new technologies through which they can stay updated while building new apps. React is something that allows easy development of native apps that can run on both iOS and Android. Learn React Js Course in Gurgaon from experts React is considered the most preferred choice by most developers over other frameworks and technologies. It comes with the following benefits: • It is simple and easy to learn. React is the platform that allows any beginner to confidently start with it. With only a basic knowledge of programming, one can start working with React. It uses a component-based approach and a well-defined lifecycle to provide users with a professional web. • It is known for its performance and testability. The Reach applications are very easy to test. I

Top 15 React JS Interview Questions React JS is currently the fastest-growing framework that is used for developing an application or a website. The following are some of the top interview questions related to React JS that will give the applicant an idea about the technology. React Js Course in Gurgaon What is React JS? It is a front-end JavaScript library that is used for building web and mobile user interfaces. It allows developers to create and build reusable UI components. What are the React components? React components are defined as the building materials which are used by React to create websites and application UIs. Components help break down the UI into reusable parts, which helps in improving React's performance speed. What is JSX? It is defined as the syntax extension of JavaScript. It is used with React in order to define the user interface and how it should look. What are the limitations of React? React has the following limitations: It is jus

The React JS Developer’s Salary in India When we talk about the frontend web technologies, there’s one such name that owns a special space in the world of web applications, websites, and apps. It is React JS that brings in a bunch of exciting features and helps in creating native apps for both iOS and Android. With the help of React JS technology, it’s quite easy to create plenty of websites and apps. Thus, there is a huge demand for React JS developers in the market. React JS Training in gurgaon Who is a React JS Developer? A React.JS developer is the one who designs and implements the user-interface components for JavaScript-based web and mobile applications. These highly-skilled front-end developers use the React open-source library to create interface component designs and look after the complete process from conception to testing. What are the responsibilities of a React.JS developer? Apart from building user-interfaces, a React.JS developer is required to fulfill the following re