Q&A
Q1. custom hook은 component와 큰 차이가 없어보인다. 무엇이 다른가?
what's the difference between components and custom hooks?
here is my code function Label({title}){ return <h1>{title}</h1> } function useLabel({title}){ return <h1> {title}</h1> } function Diff(){ return <div> <...
stackoverflow.com
A1.
Custom hook typically refers to a function that calls one or more of the built in hooks provided by react, such as useState, or useEffect.
https://dev.to/sevenzark/why-you-should-be-writing-react-custom-hooks-5egl
The difference between a custom hook and a component is that a custom hook will return values, not React components or markup
Q2. hook을 조건문 안에 넣으면 어떻게 문제가 발생하는가?
https://ko.reactjs.org/docs/hooks-rules.html
Hook의 규칙 – React
A JavaScript library for building user interfaces
ko.reactjs.org
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