Javascript questions

questions.js

/* eslint-disable */

function q1() {
  const person = { age: 20, name: "Ben" };
  const peopleArray = [person, person, person];
  peopleArray[1].name = "Joe";
  console.log(peopleArray[0].name, peopleArray[1].name, peopleArray[2].name);
}

function q2() {
  const person1 = {
    name: "Willie",
    address: {
      city: "Austin",
      state: "Texas",
    },
  };
  const person2 = { ...person1 };
  person2.name = "Waylon";
  person2.address.city = "Fort Worth";
  console.log(person1.name);
  console.log(person1.address.city, person1.address.state);
  console.log(person2.name);
  console.log(person2.address.city, person2.address.state);
}

function q3() {
  var max = 10;
  var objects = {};

  for (var index = 1; index <= max; index++) {
    fetch(`/item/${index}`).then(data => {
      objects[index] = data;
    });
  }

  return objects;
}

function q4() {
  var max = 10;
  var objects = {};
  var count = 0;

  for (var index = 1; index <= max; index++) {
    fetch(`/item/${index}`).then(data => {
      objects[index] = data;
      count++;

      if (count === 10) {
        showResults(objects);
      }
    });
  }
}

function q5() {
  // convert to async/await
  fetch("/users")
    .then(users => {
      return Promise.all(
        users.map(u =>
          fetch(`/user/${u.id}/isManager`).then(({ isManager }) => ({ id: u.id, isManager: isManager ? "yes" : "no" })),
        ),
      ).then(users => {
        return users.filter(u => u.isManager === "yes").map(u => u.id);
      });
    })
    .catch(err => console.error("Error fetching users:", err))
    .then(managersIds => doSomething(managersIds));
}

function q6() {
  function Test() {
    this.counter = 1;
    this.increment = function () {
      this.counter++;
    };
  }

  const t = new Test();
  t.increment();
  setTimeout(t.increment, 100);
  setTimeout(() => console.log(t.counter), 200);
}

function q7() {
  let test = 1;
  let x = 10;

  setTimeout(() => test++, 1);

  for (let i = 0; i < 100_000_000; i++) {
    x = Math.random() > 0.5 ? Math.pow(x, Math.random()) : Math.log10(x);
  }

  console.log(test);
}

// q8: True or False? In the code below, myColor is initialized with a boolean value of true.
const myColor1 = "" || "Purple" || "Red";

// q9: True or False? In the code below, myColor is initialized with a boolean value of true.
const myColor2 = "" && "Purple" && "Red";

// q10: Name a JavaScript String function that modifies the original string
// ???