1.js

var name = "Francis";
var lastname = "Jones"
var age = 23;
var obj
function createObject(name,lastname,age){
   obj = {
       name:name,
       lastname:lastname,
       age:age,
   }
   return obj;
}
console.log(createObject(name,lastname,age))

let name = "Francis"
let lastName = "Jones"
let age = 23
const createObject = ({name, lastName, age}) => {
let obj = {
name,
lastName,
age
}
return obj;
}
console.log(createObject({name, lastName, age}))

const name = 'Francis',
	lastname = 'Jones',
	age = 23;
let obj;

function createObject(name, lastname, age) {
	return (obj = {
		name,
		lastname,
		age,
	});
}
console.log(createObject(name, lastname, age));

const name = "Francis";
const lastname = "Jones";
const age = 23;

function createObject({ name, lastname, age }) {
  return {
    name,
    lastname,
    age,
  };
}

const person = { name, lastname, age };

createObject(person);