๐Ÿ’™ย about React

1.[React] ๋ฆฌ์•กํŠธ ์„ค์น˜ํ•˜๊ธฐ

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2.๋ฆฌ์•กํŠธ์—์„œ ์กฐ๊ฑด๋ฌธ/๋ฐ˜๋ณต๋ฌธ ๋ Œ๋”๋ง

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3..js์™€ .jsx ์ฐจ์ด (cf. ts/tsx)

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4.npm install --save VS --save-dev

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