What are the features of React?

Posted by Prem Tiwari | Updated on | ReactJS interview


Major features of React are listed below: It uses the virtual DOM instead of the real DOM. It uses server-side rendering. It follows uni-directional data flow or data binding.

Differentiate between Real DOM and Virtual DOM

Posted by Prem Tiwari | Updated on | ReactJS interview


Following are the main Differentiate between Real DOM and Virtual DOM: Real DOM Virtual  DOM 1. It updates slow. 1. It updates faster. 2. Can directly update HTML. 2. Can’t directly update HTML. 3. Creates …

What are the advantages of using React?

Posted by Jennifer | Updated on | ReactJS interview


What are the advantages of using React? MVC is generally abbreviated as Model View Controller. Use of Virtual DOM to improve efficiency React uses virtual DOM to render the view. As the name suggests, virtual …

What are the benefits of using typescript with reactjs?

Posted by Editorial Staff | Updated on | ReactJS interview


What are the benefits of using typescript with reactjs? Below are some of the benefits of using typescript with Reactjs, It is possible to use latest JavaScript features Use of interfaces for complex type definitions …

What is the difference between Imperative and Declarative in React?

Posted by Editorial Staff | Updated on | ReactJS interview


Imagine a simple UI component, such as a “Like” button. When you tap it, it turns blue if it was previously grey, and grey if it was previously blue. The imperative way of doing this …

What is the purpose of eslint plugin for hooks?

Posted by Editorial Staff | Updated on | ReactJS interview


What is the purpose of eslint plugin for hooks? The ESLint plugin enforces rules of Hooks to avoid bugs. It assumes that any function starting with ”use” and a capital letter right after it is …

How to use javascript urls in react16.9?

Posted by Editorial Staff | Updated on | ReactJS interview


How to use javascript urls in react16.9? Yes, you can use javascript: URLs but it will log a warning in the console. Because URLs starting with javascript: are dangerous by including unsanitized output in a …

What is the difference between async mode and concurrent mode?

Posted by Editorial Staff | Updated on | ReactJS interview


What is the difference between async mode and concurrent mode? Both refers the same thing. Previously concurrent Mode being referred to as “Async Mode” by React team. The name has been changed to highlight React’s …

What is Concurrent Rendering?

Posted by Editorial Staff | Updated on | ReactJS interview


The Concurrent rendering makes React apps to be more responsive by rendering component trees without blocking the main UI thread. It allows React to interrupt a long-running render to handle a high-priority event. i.e, When …

What are the differences between Redux and MobX?

Posted by Editorial Staff | Updated on | ReactJS interview


What are the differences between Redux and MobX? Below are the main differences between Redux and MobX, Topic Redux MobX Definition It is a javascript library for managing the application state It is a library …

What is MobX?

Posted by Andre Scott | Updated on | ReactJS interview


What is MobX? MobX is a simple, scalable and battle tested state management solution for applying functional reactive programming (TFRP). For reactJs application, you need to install below packages,

What is the purpose of renderToNodeStream method?

Posted by Andre Scott | Updated on | ReactJS interview


The ReactDOMServer#renderToNodeStream method is used to generate HTML on the server and send the markup down on the initial request for faster page loads. It also helps search engines to crawl your pages easily for SEO purposes. Note: Remember …

What are the features of create react app?

Posted by Andre Scott | Updated on | ReactJS interview


What are the features of create react app? Below are the list of some of the features provided by create react app. React, JSX, ES6, Typescript and Flow syntax support. Autoprefixed CSS CSS Reset/Normalize A …

What is react scripts?

Posted by Andre Scott | Updated on | ReactJS interview


What is react scripts? The react-scripts package is a set of scripts from the create-react-app starter pack which helps you kick off projects without configuring. The react-scripts start command sets up the development environment and starts a server, as …

Describe about data flow in react?

Posted by Jennifer | Updated on | ReactJS interview


Describe about data flow in react? React implements one-way reactive data flow using props which reduce boilerplate and is easier to understand than traditional two-way data binding.