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React.js Interview Questions
Questions Answers Views Company eMail

Explain what is CSS-in-JS pattern?

 185

What is the difference between super() and super(props)?

 171

Is it possible in React to call the Child method from Parent?

 157

Can a developer create animations in React?

 196

How can I make an AJAX call?

 192

What is React.PropTypes?

 183

Name two types of React component?

 167

What are Props in react js?

 168

What a setState is doing?

 214

What is the difference between a function in setState or passing an object?

 172

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

 171

What is Redux Thunk used for?

 198

Difference between constructor and getInitialState ?

 179

Do you need to use ES6 (+) with React?

 197

What is React State?

 184

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Un-Answered Questions { React.js }

Why react js is faster?

166

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

179

What is the difference between npm & npx?

214

Explain React Router

185

How to embed two components in one component?

187




What is the recommended way for naming components?

182

What is the difference between using constructor vs getInitialState in React?

195

What is lazy loading react?

164

How to enable production mode in react?

194

State the difference between React JS and React Native

240

State the main difference between Pros and State?

201

What are reacted portals?

181

What do you know about controlled and uncontrolled components?

177

Explain the term stateless components

164

How it is different from other front end language?

144

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