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[React] React.js ํŠœํ† ๋ฆฌ์–ผ 2- ์ฃผ์š” ๊ฐœ๋… ์‚ดํŽด๋ณด๊ธฐ(JSX, Component, Props, State)

์ด์ „ ํฌ์ŠคํŒ…์„ ๋ณด๋ ค๋ฉด ์•„๋ž˜ ๋งํฌ๋ฅผ ๋ˆŒ๋Ÿฌ์ฃผ์„ธ์š”. [React] React.js ํŠœํ† ๋ฆฌ์–ผ 1- ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ ๋ฐ ์‹คํ–‰ํ•˜๊ธฐ ๊ฐ„๋‹จํ•œ React ์˜ˆ์ œ ํ”„๋กœ์ ํŠธ๋ฅผ ๋งŒ๋“ค์–ด๋ณด๊ธฐ ์•ž์„œ, ์•Œ์•„๋‘ฌ์•ผํ•˜๋Š” React์˜ ๊ฐœ๋…๊ณผ ํŠน์ง•๋“ค์„ ์‚ดํŽด๋ด…์‹œ๋‹ค. . React๋กœ ๊ตฌํ˜„๋œ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์€ ์ผ๋ฐ˜์ ์œผ๋กœ ํ•˜๋‚˜์˜ ๋ฃจํŠธ DOM ๋…ธ๋“œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ์•ˆ์— ๋“ค์–ด๊ฐ€๋Š” ๋ชจ๋“  ์—˜๋ฆฌ๋จผํŠธ๋ฅผ React DOM์—์„œ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ์—˜๋ฆฌ๋จผํŠธ๋ฅผ ๋ Œ๋”๋งํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ReactDOM.createRoot()์— ์—˜๋ฆฌ๋จผํŠธ๋ฅผ ์ „๋‹ฌํ•œ ๋‹ค์Œ, root.render()์— ์ „๋‹ฌํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ํŠœํ† ๋ฆฌ์–ผ1์—์„œ ๋งŒ๋“ค์–ด๋ณด์•˜๋˜ ํ”„๋กœ์ ํŠธ์˜ index.js๋ฅผ ์—ด์–ด๋ณด๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ž‘์„ฑ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. root.render์— App.js์— ๋งŒ๋“ค์–ด๋†“์€ App ์—˜๋ฆฌ๋จผํŠธ๊ฐ€ ์ „๋‹ฌ๋œ ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ..

By domdomi ยท 2023. 12. 9.
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