StarWars2.js

(() => {
  const han = {
    firstname: "Han", lastname: "Solo", 
    spacecraft: "Falcon"};
  const luke = {
    firstname: "Luke", lastname: "Skywalker", 
    job: "Jedi"};
  const leia = {
    firstname: "Leia", lastname: "Organa", 
    gender: "female"};
  const obi = {
    firstname: "Obi", lastname: "Wan", 
    retired: true};
  const yoda = {lastname: "Yoda"};
  const people = [
    han, luke, leia, obi, 
    yoda, luke, leia, obi];
  const getName = (person) => person.lastname;
  console.time("engine");
  for(var i = 0; i < 1000 * 1000 * 1000; i++) {
    getName(people[i & 7]);
  }
  console.timeEnd("engine");
})();