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Stack flows in you

🟨 JavaScript/κ°œλ…

[mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) (3) : μ›ν•˜λŠ” μˆœμ„œλΆ€ν„° μΆ”κ°€/μ‚­μ œ, ν•©μΉ˜κΈ° (splice,concat)

2022. 6. 2. 12:31

배열을 λ§Œλ“€μ—ˆλ‹€.

const goodcoders = ['noran', 'paran', 'black','white'];
const badcoders = ['green', 'blue'];

splice : μ›ν•˜λŠ” μˆœμ„œμ—μ„œ μ›ν•˜λŠ” 만큼 μ‚­μ œν•˜κΈ°/κ·Έ μžλ¦¬μ— μΆ”κ°€ν•˜κΈ°

goodcoders.splice(2, 1); //(μ›ν•˜λŠ” μˆœμ„œλΆ€ν„° μ‹œμž‘,μ§€μš°κ³ μžν•˜λŠ” 개수)

console.log(goodcoders);
//'noran', 'paran', 'white'
goodcoders.splice(2, 1, 'yellow', 'purple'); //(μ›ν•˜λŠ” μˆœμ„œλΆ€ν„° μ‹œμž‘,μ§€μš°κ³ μžν•˜λŠ” 개수, μΆ”κ°€ν•  데이터)

console.log(goodcoders);
//'noran', 'paran', 'yellow', 'purple', 'white'

concat : 두 배열을 ν•©μΉ˜κΈ°

const codingteam = goodcoders.concat(badcoders);

console.log(codingteam);
//'noran', 'paran', 'black','white', 'green', 'blue'

좜처 : λ“œλ¦Όμ½”λ”© https://www.youtube.com/@dream-coding / MDN https://developer.mozilla.org/ko

μ €μž‘μžν‘œμ‹œ λΉ„μ˜λ¦¬ 동일쑰건 (μƒˆμ°½μ—΄λ¦Ό)

'🟨 JavaScript > κ°œλ…' μΉ΄ν…Œκ³ λ¦¬μ˜ λ‹€λ₯Έ κΈ€

[λ“œλ¦Όμ½”λ”©] μœ μš©ν•œ λ°°μ—΄(array) api (1) : join, split, reverse, slice, find  (0) 2022.06.07
[mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) (4) : 검색 (indexOf,lastIndexOf,includes)  (0) 2022.06.02
[mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) (2) : 맨뒀/λ§¨μ•žλΆ€ν„° μΆ”κ°€,μ‚­μ œ(push/pop,unshift/shift)  (0) 2022.06.02
[mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) : λ°°μ—΄μ—μ˜ μ ‘κ·Όκ³Ό looping  (0) 2022.05.31
[mdn, λ“œλ¦Όμ½”λ”© μ™Έ] 객체(Object)와 ν”„λ‘œνΌν‹°(property) (3) : computed properties  (0) 2022.05.31
    '🟨 JavaScript/κ°œλ…' μΉ΄ν…Œκ³ λ¦¬μ˜ λ‹€λ₯Έ κΈ€
    • [λ“œλ¦Όμ½”λ”©] μœ μš©ν•œ λ°°μ—΄(array) api (1) : join, split, reverse, slice, find
    • [mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) (4) : 검색 (indexOf,lastIndexOf,includes)
    • [mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) (2) : 맨뒀/λ§¨μ•žλΆ€ν„° μΆ”κ°€,μ‚­μ œ(push/pop,unshift/shift)
    • [mdn, λ“œλ¦Όμ½”λ”© μ™Έ] λ°°μ—΄(array) : λ°°μ—΄μ—μ˜ μ ‘κ·Όκ³Ό looping
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