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๊ณ ์์ด ์ฌ์ง์ด ๊นจ์ ธ์.ใ ใ
api ์๋ฒ๋ฅผ ๋ด๋ฆฐ๊ฑฐ๊ฐ์์ฌ.. ์ ๋ ์๋ค์ด๊ฐ์ง๋๋ค ใ
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props ์ง๋ฌธ ์์ต๋๋ค.
import React, { useState } from "react"; import OddEvenResult from "./OddEvenResult"; const Counter = ({ initalValue }) => { const [count, setCount] = useState(initalValue); const onIncrease = () => { setCount(count + 1); }; const onDecrease = () => { setCount(count - 1); }; console.log(typeof initalValue); return ( {count} + - ); }; Counter.defalutProps = { initalValue: 0, }; export default Counter; Counter.js์ ๋๋ค.
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serve -s build๊ฐ ๋์ง ์์ต๋๋ค..
๋งฅ์ฐ์๋ ๋ถ๋ค๋ ํน์๋ ๋ณด์ค๊น๋ด ๋๊ธ ๋จ๊น๋๋ค! https://blog.sonim1.com/125npm install -g serve ์๋์๋ ๋ถ๋ค์ ์์ ๋งํฌ ์ฐธ๊ณ ํ์๋ฉด ๋ฉ๋๋ค! ์ ๋ ์๋์ ๊ฐ์ด ์์ฑํด์ install ๋์์ต๋๋ค!sudo npm install -g serve ์ด๋ ๊ฒ ํ๋๊น ๋์์ต๋๋ค!!
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๋ฐฐ์ด ๊ฐ์ฒด์์ ์ถ๊ฐํ๋ ํจ์๊ฐ ๊ถ๊ธํฉ๋๋ค.
products.push({name:"์ผ๊ตฌ๊ณต"}) ์ด๋ ๊ฒ ์ถ๊ฐํ๋ฉด ๋๋ค์!
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