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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?

 161

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

 238

What are features of react.js?

 165

Show how the data flows through redux?

 158

How are forms created in react?

 167

Differentiate between states and props.

 171

Explain the purpose of render() in react.

 161

What do you understand by refs in react?

 156

How can you embed two or more components into one?

 182

How do you modularize code in react?

 141

How can you update the state of a component?

 152

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

 154

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

 185

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

 154

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

 159

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Un-Answered Questions { React.js }

What is the life cycle of reactjs?

153

Is it possible to display props on a parent component?

154

What is the difference between state and props?

177

Define the term Redux in React

202

What is the purpose of callback function as an argument of setstate()?

204




In what cases would you use a class component over a functional component?

166

What do you understand by virtual dom?

173

List some advantages of reactjs?

185

What is a state in reactjs and how is it used?

170

Explain the term ‘Restructuring.’

158

What is a higher order component?

174

What are the popular libraries used for flux?

251

How to use loop in reactjs?

174

How react component lifecycle methods help in building interfaces?

178

Name out an important feature of Redux workflow features

182

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