prototype of javascript code example

Example 1: prototype javascript

function Person(first, last, age, eye) {
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}

Person.prototype.nationality = "English";

var myFather = new Person("John", "Doe", 50, "blue");
console.log("The nationality of my father is " + myFather.nationality)

Example 2: function prototype

// function prototype
void add(int, int);

int main() {
    // calling the function before declaration.
    add(5, 3);
    return 0;
}

// function definition
void add(int a, int b) {
    cout << (a + b);
}