ES5 js multiple inheritance example

ES5_js_inheritance_example.js

function Machine() {
  this._enabled = false;

  this.enable = function() {
    this._enabled = true;
  };
  this.disable = function() {
    this._enabled = false;
  };
}

function Shape() {
  var type = '3d';

  this.getType = function() {
    return type;
  };
}

function CoffeeMachine(power) {
  // call the constructor functions with current context
  // all actions of the constructors will be applied for CoffeeMachine this
  Machine.call(this);
  Shape.call(this);
  this.name = "Brown";
}

cf = new CoffeeMachine(1);

console.log(cf.type); // undefined
console.log(cf.getType()); // 3d
cf.enable();
console.log(cf._enabled); // true
console.log(cf.name); // brown