Code Example

                let userName = prompt("Who's there?", '');
                
                if (userName === 'Me') {
                
                  let pass = prompt('Password?', '');
                
                  if (pass === 'qwerty12345') {
                    alert( 'Good morning boss!' );
                  } else if (pass === '' || pass === null) {
                    alert( 'Access denied!' );
                  } else {
                    alert( 'Wrong password!' );
                  }
                
                } else if (userName === '' || userName === null) {
                  alert( 'Cancelled' );
                } else {
                  alert( "I don't recognise you!" );
                }