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React.js Interview Questions
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How react component lifecycle methods help in building interfaces?

 180

What is shouldcomponentupdate and when is used in react.js?

 177

What is react.js? How is it different from other javascript frameworks?

 165

Explain step by step approach on how to setup environment for reactjs?

 163

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?

 178

What is the difference between react components extend, createclass and mixins, hocs?

 168

Which feature can we use to cause a component to render only when its id changes?

 272

What is redux and flux?

 163

What is the virtual dom, and a pragmatic overview of how react renders it to the dom in react.js?

 181

Explain lifecycle of a react component?

 173

What is reactjs-jsx? Explain basic code snippet of jsx with the help of a practical example?

 186

How to set up routing in reactjs. Explain with the help of step by step approach?

 154

What is a router in react.js?

 176

Please explain step by step approach on how to setup environment for reactjs?

 172

What are state and props in reactjs? What is the difference between the two?

 160

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Un-Answered Questions { React.js }

What is Redux Thunk used for?

198

Why is it necessary to capitalize component names?

174

Which is better angular or react js?

171

Explain the significance of store in redux?

172

What is arrow function in react?

205




What is difference between setstate and forceupdate () and finddomnode () in reactjs?

167

What are the popular packages for animation?

182

Explain flux?

189

What is reactjs-jsx? What are the advantages of using jsx?

176

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

168

What is the use of Webpack?

178

Explain the purpose of render() in react.

163

Explain the components of Redux?

214

What is redux and flux? When do you use them?

174

What are the advantages of redux?

176

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