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React.js Interview Questions
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When would you use a class component over a functional component?

 177

What is props?

 158

What are the popular libraries used for flux?

 256

Do you think reactjs has any limitations? If so, tell a few?

 161

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

 178

What are the differences between controlled and uncontrolled components?

 177

What are the lifecycle methods of reactjs components?

 159

What are keys in reactjs and why are they important?

 171

What are the component life cycle methods in reactjs?

 173

What is the life cycle of reactjs components?

 156

What are the methods called when state or props of the component is changed?

 183

What is controllable component in reactjs?

 164

What is component in reactjs?

 198

What do you mean by reactjs?

 159

What are the difference between pros and state?

 174

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Un-Answered Questions { React.js }

What are controlled and uncontrolled components in React?

165

Can JSX element be attached to other JSX components?

198

Is react a mvc framework?

153

What is the lifecycle methods order in mounting?

188

What is props?

158




What is the difference between flux vs mvc?

174

What is the main goal of react fiber?

155

What is the role of reducer.

174

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

191

What is inline conditional expressions?

218

What is function based component?

163

How is flux different from redux?

178

What are synthetic events?

161

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

167

Why is a component constructor called only once?

207

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