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React.js Interview Questions
Questions Answers Views Company eMail

How can you spill the reducers?

 538

Why is it necessary to capitalize component names?

 180

Differentiate between real dom and virtual dom?

 156

What is the life cycle of reactjs?

 164

What is Reactjs?

 174

What is an action in Redux?

 188

Can JSX element be attached to other JSX components?

 200

What is the difference between React Component and React Element?

 204

List down the advantages of react router?

 203

Explain React Router

 193

What is unidirectional data flow? How does data flow happening in Redux?

 174

Explain the use of ‘key’ in react list

 201

When was React first released?

 190

Explain the term stateless components

 170

Explain strict mode

 176

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Un-Answered Questions { React.js }

What do you understand by refs in react?

166

What is the difference between function based component and class based component?

189

What is the purpose of using bindActionsCreators?

166

Why reactjs is used?

181

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

178




How to pass a parameter to an event handler or callback?

196

What is the difference between element and component?

238

What is import in react?

178

Can you force a React component to rerender without calling setState?

179

How do you create an event in react?

175

How to enable production mode in react?

202

What is jsx and how jsx can help applications in react.js?

173

What is the life cycle of reactjs?

164

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

187

What are controlled and uncontrolled components?

189

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