react functional components example

Example 1: create react component class

class MyComponent extends React.Component{
    constructor(props){
        super(props);
    };
    render(){
        return(
            

              

              	My First React Component!
              
            
        );
    }
};

Example 2: functional component react

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

function App() {
  return (
    

                      
  );
}

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

Example 3: create functional component react

import React from 'react'; const App = () => {  const greeting = 'Hello Function Component!';   return ;}; const Headline = ({ value }) =>  
{value}
; export default App;

Example 4: functional components react

function Comment(props) {
  return (
    

      

        
        

          {props.author.name}
        
      
      

        {props.text}
      
      

        {formatDate(props.date)}
      
    
  );
}