JavaScript継承(拡張)
6183 ワード
JavaScript継承(拡張)
class Vehicle {
constructor(name, wheel) { //constructor 함수에 name, wheel을 인수로사용, this로 할당
this.name = name
this.wheel = wheel
}
}
const myVehicle = new Vehicle('운송수단', 2)
console.log(myVehicle) // Vehicle {name: '운송수단', wheel: 2}
class Bicycle extends Vehicle {
constructor(name, wheel, license) {
super(name, wheel) //super = extends뒤에 있는 vehicle(확장된 클래스)
}
}
const myBicycle = new Bicycle('삼천리', 2)
const daughtersBicycle = new Bicycle('세발', 3)
console.log(myBicycle) // Bicycle {name: '삼천리', wheel: 2}
console.log(daughtersBicycle) // Bicycle {name: '세발', wheel: 3}
class Car extends Vehicle {
constructor(name, wheel, license) { //license 인수 추가된 확장
super(name, wheel)
this.license = license //this에 license 추가
}
}
const myCar = new Car('벤츠', 4, true) //license 유무 boolean으로 추가
const daughtersCar = new Car ('포르쉐', 4, false)
console.log(myCar) // Car {name: '벤츠', wheel: 4, license: true}
console.log(daughtersCar) // Car {name: '포르쉐', wheel: 4, license: false}
Reference
この問題について(JavaScript継承(拡張)), 我々は、より多くの情報をここで見つけました https://velog.io/@dlstjr1106/javascript-상속확장テキストは自由に共有またはコピーできます。ただし、このドキュメントのURLは参考URLとして残しておいてください。
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