class.js

//declare class
class Surgeon {
  //define constructor method - things that will be done on instantiation ('new')
  constructor(name, department) { //when 'new-ing' instance of this class, expect 'name' and 'department' arguments
    //we use underscore to define properties that aren't supposed to be acccessed directly
    this._name = name;
    this._department = department;
    this._remainingVacationDays = 20;
  }
  //getter method - name as the property, but without underscore. This will be called with object.name
  get name(){
    return this._name;
  }
  
  get department() {
    return this._department;
  }
  
  get remainingVacationDays() {
    return this._remainingVacationDays;
  }
  
  //method in a class, takes an argument 
  takeVacationDays(daysOff){
    this._remainingVacationDays -= daysOff;
  }
  
}

//instantiation of class into an object
const surgeonCurry = new Surgeon('Curry', 'Cardiovascular');
const surgeonDurant = new Surgeon('Durant', 'Orthopedics');

//using object properties and methods
console.log (surgeonCurry.name)
surgeonCurry.takeVacationDays(3);
console.log(surgeonCurry.remainingVacationDays)