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22. this #121
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| # ✏️ 기억에 남는 내용 | ||
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| - this는 자신이 속한 객체 또는 자신이 생성할 인스턴스를 가리키는 자기 참조 변수다. this를 통해 자신이 속한 객체 또는 자신이 생성할 인스턴스의 프로퍼티나 메서드를 참조할 수 있으며, this 바인딩은 함수 호출 방식에 의해 동적으로 결정된다. | ||
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| - 일반 함수로 호출된(중첩 함수, 콜백함수 포함)모든 함수 내부의 this에는 전역객체가 바인딩되며, strict mode에서는 undefined가 바인딩된다. | ||
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| - 생성자 함수 내부의 this에는 생성자 함수가 생성할 인스턴스가 바인딩된다. | ||
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| - apply, call, bind 메서드는 Function.prototype의 메서드로, 모든 함수가 상속받아서 사용할 수 있다. |
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| 1. apply, call, bind 메서드의 각각의 특징들을 간단히 서술하시오. | ||
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