Spam and Abuse Watch

Quote:

In the previous example, Student does not need to know how the Person class’s walk() method is implemented, but still can use that method; the Student class doesn’t need to explicitly define that method unless we want to change it. This is called encapsulation

Quote:

A class component needs to include a render method. Other methods are optional. ReactDOM.render() renders the App component in a div element using the id 'root'. This takes the component and the parent div as the first and second parameter respectively.

Quote:

Yes, a class component must include a render method. All the other methods are optional.

ReactDOM.render() is rendering the App component in a div element with the id ‘root’. It takes the component as the first parameter and parent div as the second parameter.