React.js Interview Questions
Questions Answers Views Company eMail

Give an example of both stateless and stateful components with source code?

192

How to embed two components in one component?

192

What is flux concept in reactjs?

183

How to use events in reactjs?

166

What are the advantages of using jsx?

176

What are the advantages of using reactjs?

186

How to use forms in reactjs?

168

What are the life cycle of reactjs?

177

When reactjs released?

193

What is current stable version of reactjs?

206

What are state and props in reactjs?

192

What are the feature of reactjs?

263

How to set focus in reactjs?

181

What are the purpose of render() in react?

165

Why do we need a router in reactjs?

166


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Un-Answered Questions { React.js }

Enlist the advantages and disadvantages of reactjs?

180


How to update the state of the component in reactjs?

169


Explain react hooks?

165


What is the use of React.Children.map(props.children, () => )?

179


Where in a React component should you make an AJAX request?

223






What is inline conditional expressions?

218


Why is it necessary to capitalize component names?

178


What is react intl?

375


What is the difference between dom and virtual dom in reactjs?

195


What is PureComponent? When to use PureComponent over Component?

196


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

193


What is React.createClass?

180


What a setState is doing?

218


How can I make an AJAX call?

200


Explain error boundaries?

174