"use strict";
var p = "David";
const david = {
  // this is not block, this the object literal
  firstName: "David",
  year: 1986,
  calcAge: function () {
    console.log(this);
    console.log(new Date().getFullYear() - this.year);

    const self = this;
    const isMillenial = function () {
      console.log(self);
      console.log(self.year >= 1981 && self <= 1996);
    };
    isMillenial();
  },
  greet: () => {
    console.log(this);
    console.log(`Hey ${this.firstName}`);
  },
};

david.calcAge();

// arguments keyword
const addExpr = function (a, b) {
  console.log(arguments);
  console.log(a + b);
};

addExpr(5, 3);