Codecademy export

app.js

// Parent class: School.
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(newNumberOfStudents){
    if(isNaN(newNumberOfStudents)){
    	console.log('Invalid input: numberOfStudents must be set to a Number.');
    }else{
        return this._numberOfStudents = newNumberOfStudents;
    }
  }
  
  quickFacts(){
    console.log(`${this._name} educates ${this._numberOfStudents} students at the ${this._level} school level.`);
  }
  
  static pickSubstituteTeacher(substituteTeachers){
   substituteTeachers = [];
    let randomNumber = Math.floor(Math.random() * substituteTeachers.length);
    
    return substituteTeachers[randomNumber];
    
  }
}

////////////////////////////////////////
// Child class: Primary School 
class Primary extends School {
  constructor(name, level, numberOfStudents, pickupPolicy){
    super(name, 'Primary', numberOfStudents);
    this._pickupPolicy = pickupPolicy;
  }
  
  get pickupPolicy(){
    return this._pickupPolicy;
  }
  
}

////////////////////////////////////////
// Child class: Middle School 
class Middle extends School {
  constructor(name, level, numberOfStudents){
    super(name, 'Middle', numberOfStudents);
  }
}

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

////////////////////////////////////////
// TESTS:

const lorraineHansbury = new Primary('Lorraine Hansbury', 514, 'Students must be picked up by a parent, guardian, or a family member over the age of 13.');

console.log(lorraineHansbury);