Classes

classes.js

class PersonCl {
  constructor(fullName, birthYear) {
    this.fullName = fullName;
    this.birthYear = birthYear;
  }

  // all functions outside the constructor()
  // will be on the prototype
  // not on the object itself

  // methods will be added to .prototype property
  // instance methods

  calcAge() {
    console.log(2037 - this.birthYear);
  }

  greet() {
    console.log(`Hey ${this.firstName}`);
  }

  get age() {
    return ` ${this.fullName} is ${2037 - this.birthYear}`;
  }

  // set a prop that already exists

  set fullName(name) {
    console.log(name);
    if (name.includes(' ')) this._fullName = name;
    else alert(`${name} is not a full name!`);
  }

  get fullName() {
    return this._fullName;
  }

  // static methods
  static hey() {
    console.log('Hey there 👋');
    console.log(this);
  }
}

const tess = new PersonCl('Tess McBride', 1981);
console.log(tess);
tess.calcAge();
console.log(tess.age);

// PersonCl.prototype.greet = function () {
//   console.log(`Hey ${this.firstName}`);
// };

tess.greet();

const mikey = new PersonCl('Mikey tyson', 1965);

const account = {
  owner: 'jonas',
  movements: [200, 333, 45, 66],

  get latest() {
    return this.movements.at(-1);
  },

  set latest(mov) {
    this.movements.push(mov);
  },
};

// get -> get something
console.log(account.latest);

// set something

account.latest = 26.7;

console.log(account.movements);

PersonCl.hey();