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β€ŽREADME.md

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@@ -216,6 +216,23 @@ console.log('μžλ™μ°¨', car)
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배열을 ꡬ쑰 λΆ„ν•΄ν•΄λ΄…μ‹œλ‹€.
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πŸ‘‰ μ‹œλ‚˜λ¦¬μ˜€: λ°°μ—΄ `arr` 의 첫 λ²ˆμ§Έμ™€ μ„Έ 번째 μ›μ†Œλ₯Ό 각각 `first` 와 `third` λ³€μˆ˜μ— ν• λ‹Ή 및 μ„ μ–Έν•˜μ„Έμš”.
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### λΆˆβ€”νŽΈ
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```js
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const arr = [1, 2, 3, 4]
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const first = arr[0] // μ’€ 더 μ‹¬ν”Œν•˜κ²Œ μ•ˆλ κΉŒμš”?
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const third = arr[2] // 인덱슀둜 μ ‘κ·Όν•˜μ§€ μ•ŠμœΌλ©΄μ„œμš”
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```
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### νŽΈβ€”μ•ˆ βœ…
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```js
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const arr = [1, 2, 3, 4]
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const [first, , third] = arr // μ’‹μŠ΅λ‹ˆλ‹€. πŸ‘
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```
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# Rest Parameters

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