Super Constructor Pattern for future reference

SuperConstructor.js

// Base Class
function Base(p1, p2) {
	this.x = this.someMethod(p1, p2);
	this.y = {
		a: p1,
		b: p2
	};
}

Base.prototype.someMethod = funciotn(a, b) {
	return a + b;
};

/*************/

// SubClass that inherits from Base
function SubOne(p1) {
	Base.call(this, 10, p1);
	delete this.y.a;
};

SubOne.prototype = Object.create(Base.prototype);
SubOne.prototype.constructor = SubOne;

/**
 * new Base(2, 3) == {
 *   someMethod: Base.prototype.someMethod,
 *   x: 5,
 *   y: {
 *	   a: 2,
 *     b: 3
 *   }
 * }
 *
 * new SubOne(8) == {
 *   someMethod: Base.prototype.someMethod,
 *   x: 80,
 *   y: {
 *     b: 8
 *   }
 * }
 */