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> 21.1 JS 객체의 분류 | ||
<img width="578" alt="image" src="https://github.com/user-attachments/assets/0506244a-c899-4825-a98c-4ecbebe7b894"> | ||
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> 21.2 표준 빌트인 객체 | ||
<img width="578" alt="image" src="https://github.com/user-attachments/assets/476a76d8-b6d5-480e-96ae-6a2a4d670291"> | ||
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<img width="578" alt="image" src="https://github.com/user-attachments/assets/964613ed-fc86-4ad4-ae7d-d45204725f88"> | ||
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표준 빌트인 객체의 prototype 프로퍼티에 바인딩된 객체(예를 들어, String.prototype)는 다양한 기능의 빌트인 프로토타입 메서드를 제공한다. 그리고 표준 빌트인 객체는 인스턴스 없이도 호출 가능한 빌트인 정적 메서드를 제공한다. | ||
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<img width="578" alt="image" src="https://github.com/user-attachments/assets/87336cd9-b1ac-4864-834c-e6fad14f21d1"> | ||
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> 21.3 원시값과 래퍼 객체 | ||
<img width="537" alt="image" src="https://github.com/user-attachments/assets/8b71a870-1c1f-41a7-96df-80c7787bc7a6"> | ||
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<img width="537" alt="image" src="https://github.com/user-attachments/assets/cd0947ee-7d45-43e6-be4d-6e0db72933e3"> | ||
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**문자열, 숫자, 불리언 값에 대해 객체처럼 접근하면 생성되는 임시 객체를 래퍼 객체라고 한다.** | ||
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<img width="578" alt="image" src="https://github.com/user-attachments/assets/06e9db5e-a4d8-478d-968a-9251132c8f0a"> | ||
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> 21.4 전역객체 | ||
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