Props

Overview

Props are arguments passed into React components. These can also be used to pass data from parent component to child component.
React Props are read-only or immutable. React will through an error if we try to change their value.
Props are passed to components via HTML attributes. In the Car component, brand is an example of prop.
```
<Car brand="Ford" />;
```
The props can be accessed as shown below. this keyword is optional for functional components and required for class components
```
<h2>Car Brand is {this.props.brand}</h2>
```