Info on keyword this

thisKeyword.js

// https://dmitripavlutin.com/gentle-explanation-of-this-in-javascript/
// https://www.youtube.com/watch?v=zE9iro4r918
// https://stackoverflow.com/questions/13441307/how-does-the-this-keyword-in-javascript-act-within-an-object-literal
var foo = {
  bar: function () {
    console.log('this.baz', this.baz, 'is typeof', typeof this.baz)
    return this.baz;
  },
  baz: 1,
};

(function () {
  return typeof arguments[0].bar();
})(foo);