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React.js Interview Questions
Questions Answers Views Company eMail

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

 276

How react router and its techniques differ from more traditional javascript routers like backbone’s router?

 339

What are features of react.js?

 235

Show how the data flows through redux?

 241

How are forms created in react?

 246

Differentiate between states and props.

 256

Explain the purpose of render() in react.

 242

What do you understand by refs in react?

 240

How can you embed two or more components into one?

 261

How do you modularize code in react?

 225

How can you update the state of a component?

 238

What do you understand by virtual dom? Explain its working.

 234

What is arrow function in react? How is it used?

 276

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

 240

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

 255

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Un-Answered Questions { React.js }

Difference between constructor and getInitialState ?

252

What is meant by callback function? What is its purpose?

266

What is React.createClass?

259

How will be you able to handle more action using redux?

246

How to use forms in reactjs? Give an example of using forms in reactjs by developing a user registration form?

238

Explain the components of Redux?

286

How can a browser read JSX file?

272

How do you modularize code in react?

225

Explain the role of reducer?

274

In which lifecycle event do you make ajax requests and why?

238

What are components in reactjs? Explain the component lifecycle with the help of a diagram explaining each component method in detail. Also, give an example of both stateless and stateful components with source code?

250

How are forms created in react?

246

What is the difference between createelement and cloneelement?

243

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

252

What is the difference between stateless and stateful component?

226

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