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React.js Interview Questions
Questions Answers Views Company eMail

How do you pass data from child to parent component?

 173

How do you this in constructor?

 174

When rendering a list what is a key and what is it's purpose?

 161

What's the difference between super() and super(props) in React when using ES6 classes?

 186

What is Children?

 169

How is react different?

 179

Why reactjs is used?

 167

What are the features of react?

 201

How reactjs framework is different as compared to others?

 173

How is react different from angular?

 173

What is the lifecycle methods order in mounting?

 180

What are higher order components(hoc)?

 184

What are the advantages of redux?

 175

How to update a component every second?

 208

What do you understand with the term polling?

 189

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Un-Answered Questions { React.js }

Explain the term reconciliation?

162

Explain the Presentational segment

218

Is setState() is async? Why is setState() in React Async instead of Sync?

167

What is the difference between element and component?

220

What are controlled and uncontrolled components?

178




What is the difference between React Native and React?

172

Name the important features of React

168

What is react js good for?

170

What do you understand by virtual dom?

171

How is flux different from redux?

170

Explain the limitations of react?

167

what are the limitations of react?

201

What kind of information controls a segment in React?

296

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

172

How to set up routing in reactjs?

156

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