object model javascript
var idCounter = 1;
function Employee(name, dept) {
this.name = name || '';
this.dept = dept || 'general';
this.id = idCounter++;
}
function Manager(name, dept, reports) {...}
Manager.prototype = new Employee;
function WorkerBee(name, dept, projs) {...}
WorkerBee.prototype = new Employee;
function Engineer(name, projs, mach) {...}
Engineer.prototype = new WorkerBee;
function SalesPerson(name, projs, quota) {...}
SalesPerson.prototype = new WorkerBee;
var mac = new Engineer('Wood, Mac');