Functions can return both simple values and complex ones, such as objects:
function createUser(Name, Age) {
return {
name: Name,
age: Age,
displayInfo: function () {
document.write("Name: " + this.name + " Age: " + this.age);
}
};
};
var person = createUser("Alexander", 33);
person.displayInfo();
The advantage of moving the creation of an object into a function is that we can then create several objects of the same type with different meanings.
Objects can be passed as function parameters
Consider an example:
function createUser(Name, Age) {
return {
name: Name,
age: Age,
displayInfo: function () {
document.write("Name: " + this.name + " Age: " + this.age);
},
driveCar: function (car) {
document.write(this.name + " drive car " + car.name);
}
};
};
function createCar(mName, mYear) {
return {
name: mName,
year: mYear
};
};
var person = createUser("Alexander", 33);
person.displayInfo();
var personcar = createCar("BMW", 2004);
person.driveCar(personcar);