What does this log?

function findMax() {
  let max = -Infinity;
  for (let i = 0; i < arguments.length; i++) {
    if (arguments[i] > max) {
      max = arguments[i];
    }
  }
  return max;
}
console.log(findMax());

1. undefined
2. -Infinity
3. 0
4. NaN

Which statement about the arguments object is true?

1. It only holds the values that have parameter names
2. It has a length and numbered positions, but it is not a real array
3. Arrow functions each get their own arguments
4. It is a real array, so .map() works on it

What happens when this runs?

function perform(fn) {
  return fn();
}
const sayHello = function () {
  return "Hello";
};
console.log(perform(sayHello()));

1. ReferenceError
2. TypeError
3. It logs Hello
4. It logs undefined

What does this log?

const f = (x, y) => { x * y };
console.log(f(3, 4));

1. SyntaxError
2. NaN
3. 12
4. undefined

setTimeout(showMessage(), 3000) waits three seconds and then runs showMessage.

1. True
2. False