1. Categories >> Software >> Scripts >> React.js
  2. Suggest New Category
React.js Interview Questions
Questions Answers Views Company eMail

What is forceUpdate()?

 200

What are the lifecycle steps of React?

 172

What is render() in React? And explain its purpose?

 206

What is Redux?

 182

How do you do type check in ReactJS?

 208

Explain the Presentational segment

 219

Does React re-render all components and sub components every time setState is called?

 193

Why do we need a router in react?

 214

What is SyntheticEvent?

 189

What is the difference between npm & npx?

 212

Explain the term high order component

 181

Explain synthetic event in React js?

 198

Explain the components of Redux?

 212

What is PureComponent? When to use PureComponent over Component?

 189

Is it possible to nest jsx elements into other jsx elements?

 188

Post New React.js Questions

Un-Answered Questions { React.js }

How can you update the state of a component?

153

How do you create an event in react?

161

What is arrow function in react?

203

What is SyntheticEvent?

189

How do you modularize code in react?

141




What is the difference between an element and a component in react?

163

What is the difference between function based component and class based component?

176

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

184

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

159

What are higher order components(hoc)?

186

What is the difference between stateless and stateful component?

144

What is function based component?

157

How to set state with a dynamic key name?

219

How to use loop in reactjs?

174

What is the difference between React Component and React Element?

192

For More Un-Answered { React.js } Questions Click Here