ES5 way of doing inheritance

es5_inheritance

function SuperClass () {};
SuperClass.prototype = {
	constructor: SuperClass,
	a: 'Hello',
	b: 'super',
	c: function () {
		return this.a + ', ' + this.b + '!';
	}
};


function Sub () {};
Sub.prototype = Object.create(SuperClass.prototype, {
	constructor: { value: Sub },
	b: { value:'sub' }
});