🚧 μ†Œν™•μ— (μ†Œμ†Œν•˜κ³  ν™•μ‹€ν•œ Err..or..)

1.λ°±/ν”„λ‘ νŠΈ μ„œλ²„ μ—°κ²° μ‹œ CORS μ—λŸ¬

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λ°±κ³Ό ν”„λ‘ νŠΈκ°„μ— 톡신을 μœ„ν•΄ μ—°κ²°ν•˜λŠ” κ³Όμ •μ—μ„œ μ—λŸ¬κ°€ λ‚˜μ™”λ‹€. Reactμ—μ„œ μ„œλ²„λ₯Ό 켜자마자 λ°œμƒν•˜μ˜€λ‹€. (Access to fetch ~ blocked by CORS plicy)

2022λ…„ 8μ›” 11일

2.Cannot read properties of undefined ν•΄κ²° 방법

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Uncatught TypeError : Cannot read properties of undefined...

2022λ…„ 8μ›” 29일