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Cannot read properties of undefined (reading 'map')
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2022. 9. 23. 19:40
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https://devbirdfeet.tistory.com/47
React ์คํ์ค๋ฅ Cannot read property 'map' of undefined
Updated 2021/05/10 React hook ์ ์ฌ์ฉํ์ฌ ๋ค์ด๋ฒ ๋ด์ค ๊ฒ์ API ๋ฅผ ๋ฐ์ดํฐ๋ฅผ ํ๋ฉด์ ๋ฟ๋ ค์ฃผ๋ ค ํ๋ค๊ฐ ์ด๋ฐ ์๋ฌ๋ฉ์์ง๊ฐ ๋์๋ค. ๋ฌธ์ ์ํฉ) TypeError: Cannot read property 'map' of undefined ์ ๋์๊ฒ ์ด..
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