DynamicThis.js

var footballer = {
  name: "Leo Messi"
};

var basketballer = {
  name: "Steph Curry"
};

var fighter = {
  name: "Conor McGregor"
};

function giveMeTheName(occupation) {
  return this.name + ", " + occupation;
}

giveMeTheName.apply(footballer, ["the footballer"]); //returns Leo Messi, the footballer

giveMeTheName.call(basketballer, "the basketballer"); //returns Steph Curry, the basketballer

giveMeTheName.bind(fighter)("the fighter"); // returns Conor McGregor, the fighter