Question

Explain React state and props.

Answer 1

Props	State
Immutable	Owned by its component
Has better performance	Locally scoped
Can be passed to child components	Witeable/Mutable
	has setState() method to modify properties
	Changes to state can be asynchronous
	can only be passed as props

React State
Every component in react has a built-in state object, which contains all the property values that belong to that component.
In other words, the state object controls the behaviour of a component. Any change in the property values of the state object leads to re-rendering of the component.

**Note- State object is not available in functional components but, we can use React Hooks to add state to a functional component.

How to declare a state object?
Example:

class Car extends React.Component{
 constructor(props){
   super(props);
   <strong style="-webkit-font-smoothing:subpixel-antialiased; border:0px; box-sizing:border-box; color:#008800; font-family:Helvetica,Arial,Sans-serif; font-size:15px; font-weight:bold; margin:0px; padding:0p