React.js Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Topic :: React.js

React.js Interview Questions

Questions Answers Views Company eMail

What is flux concept in reactjs? Explain various flux elements including action, dispatcher, store and view. Give a simple practical example of installing and using flux in an application?

146

How to use forms in reactjs? Give an example of using forms in reactjs by developing a user registration form?

162

What are the benefits of using react.js?

168

How to set up routing in reactjs?

156

Have you used html while working with react.js?

150

What is shouldcomponentupdate and when is used in react.js?

175

What is react.js? How is it different from other javascript frameworks?

163

Explain step by step approach on how to setup environment for reactjs?

157

What are components in reactjs? Explain the component lifecycle with the help of a diagram explaining each component method in detail. Also, give an example of both stateless and stateful components with source code?

176

What is the virtual dom, and a pragmatic overview of how react renders it to the dom in react.js?

177

What is reactjs-jsx? Explain basic code snippet of jsx with the help of a practical example?

182

How to set up routing in reactjs. Explain with the help of step by step approach?

152

What is a router in react.js?

174

Please explain step by step approach on how to setup environment for reactjs?

166

What are state and props in reactjs? What is the difference between the two?

156