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React.js Interview Questions
Questions Answers Views Company eMail

What is an event in react?

 193

What are the lifecycle methods going to be deprecated in react v16?

 180

How do you tell react to build in production mode and what will that do?

 203

How to use https instead of http in create-react-app?

 179

How events are different in react?

 200

What is react intl?

 375

What are the three principles that redux follows?

 223

What do you understand by “single source of truth”?

 167

What is the significance of keys in react?

 213

What are pure components?

 157

What is arrow function in react?

 209

How react router is different from history library?

 194

Is it possible to use async/await in plain react?

 183

Differentiate between stateful and stateless components?

 163

What were the major problems with mvc framework?

 208

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Un-Answered Questions { React.js }

How is react.js different from other javascript frameworks?

174

How are forms created in react?

172

Explain the use of ‘key’ in react list

197

What are refs in react and why are they important?

178

What is the difference between React Native and React?

181




Give an example of both stateless and stateful components with source code?

192

What kind of information controls a segment in React?

305

How arrow functions are used?

161

Name two types of React component?

171

What do you understand from “in react, everything is a component.”

159

What is the difference between real dom and virtual dom.

197

What is redux and flux? When do you use them?

176

How to enable production mode in react?

200

What is the purpose of push() and replace() methods of history?

224

What is the difference between state and props?

185

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