Codecademy export

app.js

class School {
  constructor(name, level, numberOfStudents) {
    this._name = name;
    this._level = level;
    this._numberOfStudents = numberOfStudents;
  }

  get name() {
    return this._name
  }

  get level() {
    return this._level
  }

  get numberOfStudents() {
    return this._numberOfStudents;
  }

  set numberOfStudents(num) {
    if (typeof num === 'number'){
        this._numberOfStudents = num;
    } else {
        console.log('Error, invalid input!')
    }
  }

  quickFacts() {
    console.log(`${this.name} educates ${this.numberOfStudents} students at the ${this.level} school level.`);
  }

  static pickSubstituteTeacher(substituteTeachers) {
    substituteTeachers = ['', '', ''];
    let randomIndex = Math.floor(Math.random() * substituteTeachers.length);
    return substituteTeachers[randomIndex];
  }
};

class Primary extends School {
  constructor(name, numberOfStudents, pickupPolicy) {
    super (name, 'primary', numberOfStudents)
    this._pickupPolicy = pickupPolicy;
  }

  get pickupPolicy() {
    return this._pickupPolicy;
  }
};

class Middle extends School {
  constructor(name, numberOfStudents) {
    super(name, 'middle', numberOfStudents)
  }
};

class High extends School {
  constructor(name, numberOfStudents, sportsTeams) {
    super(name, 'High', numberOfStudents)
    this._sportsTeams = sportsTeams;
	}

  get sportsTeams() {
    return this._sportsTeams
  }
};

let test = new Primary('smdy', 'hey', 'pickup policy is stupid');

console.log(test.numberOfStudents);