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๋ชฉ๋ก๋ฆฌ์กํ ์ค๋ฅ (1)
DATA101
[React] ์๋ฌ ํด๊ฒฐ: "Warning: Each child in a list should have a unique "key" prop."
โ๏ธ์๋ฌ ์ํฉ ๋ฐ๋ณต๋ฌธ์ ํตํด ํ๊ทธ ์์ ํน์ ๊ฐ์ ๋ฆฌ์คํธ์ ๋ฃ๋ ์์ ์ ์ํํ๋ ์ค์ ์๋ฌ๋ฅผ ๋ง์ฃผํ์์ต๋๋ค. let heyTechList = []; for (i = 1; i
SW ๊ฐ๋ฐ/React JS
2022. 6. 30. 19:22