export default react 1

export default react

import React from 'react'; // get the React object from the react module

class HelloWorld extends React.Component {
  render() {

Hello, world!

; } } export default HelloWorld; // expose the HelloWorld component to other modules

Here is what the above code is Doing:
1. We’re importing the React object from the react module.
2. We’re creating a new class called HelloWorld that extends the React.Component class.
3. We’re defining a render method that returns a

Hello, world!

4. We’re exporting the HelloWorld class, so other modules can use it.

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