#nodejs Enclosure . Fun Facts : Being that enclosures have access to their outer functions variables and parameters, this allows the enclosures to be called later after the function returns and still be able to have access to these variables.

app.js

// Reference : JavaScript for Experienced Developers
// https://www.youtube.com/watch?v=h50lRx3Myfo&list=PLknneukDQdN9sz45rtMkT3k0uq36d7rGj&index=141 (min 17:00) 

function setFirstname(firstname) {
	
    function appendLastName (lastname) {
      console.log("My fullName is : " + firstname + " " + lastname );
    };
      return appendName;
}

var combineMyname = setFirstname("Tournas");
combineMyname("Dimitrios") ;

// Result:
/*
root@root:/tmp/playground$ node test.js 
My fullName is : Tournas Dimitrios
*/