text: class Student {
      constructor(firstName, middleInitial, lastName) {
          this.firstName = firstName;
          this.middleInitial = middleInitial;
          this.lastName = lastName;
          this.fullName = firstName + " " + middleInitial + " " + lastName;
      }
  }
  function greeter(person) {
      return "Hello, " + person.firstName + " " + person.lastName;
  }
  let user = new Student("Jane", "M.", "User");
  document.body.textContent = greeter(user);
  