javascript-examples

inheritance.js

var Person = function(x){
    if(x){this.fullName = x};
};
Person.prototype.whatIsMyFullName = function() {
    return this.fullName;
}

var cody = new Person('cody lindley');
var lisa = new Person('lisa lindley');
console.log(cody.whatIsMyFullName(), lisa.whatIsMyFullName());

Object.prototype.fullName = 'John Doe';
var john = new Person();
console.log(john.whatIsMyFullName());

Good Example