JS Class


class 문법 안에 있는 코드는 항상 strict mode 로 실행
정적 메서드나 프로토타입 메서드가 this 값 없이 호출될 때, this 값은 메서드 안에서 undefined
### JS Class Notion
|Title|
|:-:|
|[JS Member Variable](https://texonom.com/js-member-variable-0f1972d018f94a2ba3122792ebf530f7)|
|[JS Method](https://texonom.com/js-method-b088fa6a5e4148618a8d809be23fed66)|
|[JS Inheritance](https://texonom.com/js-inheritance-de6c95b3408f42ebbdc203b664b3cf89)|
|[JS Static Block](https://texonom.com/js-static-block-ba7404a169c14cb2aeba7fe3c793a990)|
|[JS Ergonomic brand check](https://texonom.com/js-ergonomic-brand-check-7f08c7da68a647ad8ecc90d0004dc61e)|









