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this === undefined ?
왜 handleClick에서 this가 undefined가 뜨는 것인가? handleClick은 적어도 어떤 문맥안에 속해있는 것이라서 뭐라도 나올줄 알았는데 undefined가 나온다니?...Javascript는 도통 이해할 수 가 없다. 쨌든 왜그런가?Our cut
2022년 1월 24일
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React 시작!
그렇다 그 유명한 React맞다. 바닐라로 손수 컴포넌트를 만들어서 프로젝트를 여러개 해보았다. state , rendering, import에 대한 개념이 어느정도 잡혀서 이제 React로 넘어가도 될 수 있을거 같다는 생각이 들었다.그래서 our lovely Col
2022년 1월 22일
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자바스크립트 함수, 그리고 this의 등장
나름대로 자신의 코드를 가진 독립적인 아이들이다. 객체안에 있는 함수를 메소드 라고 한다.함수를 정의 할 때 먼저 앞에 fuction 을 쓰고 그 뒤에 함수이름을 정해준다. 그리고 함수안에 코드를 작성한다. 함수이름 옆에 ()가 있다.여기에 들어가는 값을 argumen
2021년 11월 10일
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0