Variable Declaration

            const name="Manoj";

            let address="Aluva";

            var  mobile ="87798787";
            

Usage in view page

              <div> {name} </div>

              <div> {address} </div>

              <div> {mobile} </div>

              

Complete Code

              import React from 'react';

              const title="Reacjs APP";

              export default function Home() {               
                
                return (
                  <div className='App'>
                    <h1>Hello {title}.</h1>
                    <h2>Start editing to see some magic happen!</h2>                    
                  </div>
                );
                
              }