functions in functional components code example

Example 1: functional component react

function Welcome(props) {
  return 
Hello, {props.name}
;
}

function App() {
  return (
    

                      
  );
}

ReactDOM.render(
  ,
  document.getElementById('root')
);

Example 2: defining functions in react

export default class Archive extends React.Component { 

    saySomething(something) {
        console.log(something);
    }

    handleClick(e) {
        this.saySomething("element clicked");
    }

    componentDidMount() {
        this.saySomething("component did mount");
    }

    render() {
        return ;
    }
}

Example 3: functional components

function Welcome(props) {  return 
Hello, {props.name}
;
}

const element = ;ReactDOM.render(
  element,
  document.getElementById('root')
);

Example 4: functional components react

function Comment(props) {
  return (
    

      

        
        

          {props.author.name}
        
      
      

        {props.text}
      
      

        {formatDate(props.date)}
      
    
  );
}