let running = {
	getDetails() {
    	console.log(`Heading towards ${this.direction} at ${this.speed}`);
	}
}

let Airplane = function(speed, direction){
    this.speed = speed;
    this.direction = direction;
}

let boeing787 = new Airplane('400 mph', 'North');
boeing787  = Object.assign(boeing787, running);
console.log(boeing787.getDetails()); //Heading towards North at 400mph

//Mixins in ES6 Class

let runningStatus = {
 setRunnigStatus(speed, direction) {
   this.speed = speed;
   this.direction = direction;
 },

 getRunnigStatus(){
   console.log(`Flying at ${this.speed} towards ${this.direction}`);
 }
}

class Airplane {
 constructor(name) {
   this.name = name;
 }
}

Object.assign(Airplane.prototype, runningStatus);
let airplane = new Airplane("Boeing 787");
airplane.setRunnigStatus("490 mph", "South East");
airplane.getRunnigStatus(); // Flying at 490 mph towards South East