Prototypical inheritance in JavaScript with 'classes' and 'instances'

js-inheritance-lib-classes-instances

var Lib = {
  	extend: function (props) {
			var sub = mixin(Object.create(this), props);
			sub.super = this;
			return sub;
		},
		create: function () {
			var instance = Object.create(this);
			if (instance.init) { instance.init.apply(instance, arguments); }
			return instance;
		}
	};

var Person = Lib.extend({
	init: function (name) {
		this.name = name;
	},
	speak: function () {
		console.log(this.name);
	}
});

var Employee = Person.extend({
	work: function () {
		console.log(this.name + ' is working');
	}
});

var c = Employee.create('chris');
c.speak();
c.work();