October 2024
Beginner to intermediate
452 pages
9h 28m
Korean
Content preview from 실전 코드로 배우는 Vue.js
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214
실전 코드로 배우는 Vue.js
그림
5-5
마운트 이후 사용자가 입력 필드를 변경할 때의 콘솔 로그 마운트 이후 사용자가 입력 필드를 변경할 때의 콘솔 로그
컴포지션
API
의 라이프사이클 훅은 옵션
API
훅에 비해 활용 범위가 넓다. 특히 기능성 컴포
넌트의 로직을 간결하고 체계적으로 유지하는 데 막대한 도움을 준다. 더 나아가 라이프사이
클 훅을 조합해 한층 복잡한 로직을 만들고 자신만의 재사용 커스텀 훅을 만드는 것도 가능하
다. 이에 대한 자세한 설명은
5
.
6
절을 참고하기 바란다. 이어서
watch
()
를 필두로 핵심적인
컴포지션
API
훅을 살펴보자.
5.45.4
컴포지션 컴포지션
APIAPI
의 와처의 와처
옵션
API
의
watch
()
와 마찬가지로 컴포지션
API
의
watch
()
훅은 반응형 데이터의 변화를
관찰하고 콜백을 호출하는 용도로 사용한다.
watch
()
는 세 개의 인수를 받고 문법은 다음과
같다.
watch(
sources: WatchSource,
cb: (newValue: T, oldValue: T, cleanup: (func) => void)) => any,
options?: WatchOptions
): WatchStopHandle
215
CHAPTER 05
컴포지션 API
●
sources
는
Vue
가 관찰할 반응형 데이터다. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.