class, object, getter, setter, inheritance 를 활용
- super class인 school과 3개의 sub class(primary, middle, high)가 있음
- school class 만들기(name, level, numberOfStudents 3가지 인자를 가진 constructor)
- setter의 input (newNumberOfStudents)이 숫자이면 setter의 속성값이, 숫자가 아니면 'Invalid input: numberOfStudents must be set to a Number.'를 log하기
- quickFacts 메서드를 만들어'SCHOOL NAME educates NUMBER OF STUDENTS students at the LEVEL school level. log할 것. 이때 SCHOOL NAME은 name, NUMBER OF STUDENTS는 numberOfStudents, LEVEL은 level 값으로 바꿔서 출력되도록 할 것
- static method 만들기(메서드 명: pickSubstituteTeacher, 1개의 인자(substituteTeachers)를 가짐
- 메서드 내에는 substituteTeachers 배열의 길이보다 작은 0과 1사이의 정수를 무작위로 생성하며, 생성된 색인에서 substitute teacher를 접근하고 return함.
- extends를 통해 PrimarySchool Class 만들기
- extends를 통해 HighSchool Class 만들기
- const lorrainHansbury 만들기
- Name: 'Lorraine Hansbury'
- Number of Students: 514
- Pickup Policy: 'Students must be picked up by a parent, guardian, or a family member over the age of 13.'
- lorrainHansbury 인스턴스를 quickFacts() 호출하기
- pickSubstituteTeacher on school에 배열 추가하기
['Jamal Crawford', 'Lou Williams', 'J. R. Smith', 'James Harden', 'Jason Terry', 'Manu Ginobli'];- const alSmith 만들기
- Name: 'Al E. Smith'
- Number of Students: 415
- Sports Teams: ['Baseball', 'Basketball', 'Volleyball', 'Track and Field']
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 (typeof newNumberOfStudents === 'number') {
this._numberOfStudents = newNumberOfStudents;
} else {
console.log('Invalid input: numberOfStudents must be set to a Number.');
}
}
quickFacts() {
console.log(`${this.name} educates ${this.numberOfStudents} students at the ${this.level} school level.`);
}
static pickSubstituteTeacher(substituteTeachers) {
let randomTeacher = Math.floor(Math.random() * substituteTeachers.length);
return substituteTeachers[randomTeacher];
}
}
// create PrimarySchool Class
class PrimarySchool extends School{
constructor(name, numberOfStudents, pickupPolicy) {
super(name, 'primary', numberOfStudents);
this._pickupPolicy = pickupPolicy;
}
get pickupPolicy() {
return this._pickupPolicy;
}
}
// create HighSchool Class
class HighSchool extends School {
constructor(name, numberOfStudents, sportsTeams) {
super(name, 'high', numberOfStudents)
this._sportsTeams = sportsTeams;
}
get sportsTeams() {
return this._sportsTeams;
}
}
const lorraineHansbury = new PrimarySchool('Lorrain Hansbury', 514, 'Students must be picked up by a parent, guardian, or a family member over the age of 13.');
lorraineHansbury.quickFacts(); // Lorrain Hansbury educates 514 students at the primary school level.
School.pickSubstituteTeacher(['Jamal Crawford', 'Lou Williams', 'J. R. Smith', 'James Harden', 'Jason Terry', 'Manu Ginobli']);
const alSmith = new HighSchool('Al E. Smith', 415, ['Baseball', 'Basketball', 'Volleyball', 'Track and Field']);
console.log(alSmith.sportsTeams);
세비님 어디가셨어요 ㅜ_ㅜ 보고싶어요!!!