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React.js Interview Questions
Questions Answers Views Company eMail

Explain what is CSS-in-JS pattern?

 262

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

 252

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

 261

Can a developer create animations in React?

 269

How can I make an AJAX call?

 299

What is React.PropTypes?

 265

Name two types of React component?

 254

What are Props in react js?

 267

What a setState is doing?

 302

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

 258

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

 240

What is Redux Thunk used for?

 279

Difference between constructor and getInitialState ?

 252

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

 288

What is React State?

 273

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Un-Answered Questions { React.js }

How different is react’s es6 syntax when compared to es5?

255

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

285

What do you understand by refs in react?

240

What is “forward refs”?

245

What are reacted portals?

246

What are the differences in between real dom and virtual dom?

306

What is a state in react?

244

What do you mean by reactjs?

230

What is the difference between state and props?

263

What is the use of arrow function in reactjs?

248

Explain the term high order component

248

Name out an important feature of Redux workflow features

287

Explain the meaning of Mounting and Demounting

226

Explain dom diffing?

243

How is flux different from redux?

251

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