Does React re-render all components and sub components every time setState is called?
Why do we need a router in react?
List some features of reactjs?
Explain the use of ‘key’ in react list
What is component in reactjs?
What a setState is doing?
What do you understand by “single source of truth”?
Why is a component constructor called only once?
What is SyntheticEvent?
What is the use of a super keyword in React?
How can you spill the reducers?
What do you understand by mixin or higher order components in reactjs?
What were the major problems with mvc framework?
When would you use setstate() and forceupdate()?
How different is react’s es6 syntax when compared to es5?