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๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋ก์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ ๋‚ด๋ฆผ์ฐจ์ˆœ (1)

DATA101

[JavaScript] ์ •๋ ฌ ํ•จ์ˆ˜(reverse, sort)์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์ž!

๐Ÿ’ก ๋ชฉํ‘œ JavaScript์—์„œ ๋ฐฐ์—ด์„ ์ •๋ ฌํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ํ•™์Šตํ•œ๋‹ค. 1. *Reverse ํ•จ์ˆ˜: ์›์†Œ ๋ฐ˜๋Œ€๋กœ ๋‚˜์—ด let arr1 = [1, 2, 3, 4]; ์œ„์™€ ๊ฐ™์ด ๋ฐฐ์—ด ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๋™์‹œ์— ์ดˆ๊ธฐํ™”ํ–ˆ์Šต๋‹ˆ๋‹ค. let arrReverse = arr1.reverse(); console.log(arr1); // [ 4, 3, 2, 1 ] console.log(arrReverse); [ 4, 3, 2, 1 ] Reverse ํ•จ์ˆ˜๋Š” ๋ฐฐ์—ด์˜ ์›์†Œ๋ฅผ ๊ฑฐ๊พธ๋กœ ๋‚˜์—ดํ•˜๋ฉฐ ์›๋ณธ ๋ฐ์ดํ„ฐ๊นŒ์ง€ ์ˆ˜์ •ํ•ฉ๋‹ˆ๋‹ค. ์ฆ‰, reverse ํ•จ์ˆ˜์˜ ๋ฐ˜ํ™˜๋œ ๋ฐ์ดํ„ฐ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์›๋ณธ ๋ฐ์ดํ„ฐ์ธ ๋ฐฐ์—ด arr์˜ ์›์†Œ ์—ญ์‹œ ๋ฐ˜๋Œ€๋กœ ๋‚˜์—ด๋ฉ๋‹ˆ๋‹ค. 2. sort ํ•จ์ˆ˜: ์ •๋ ฌ ํ•จ์ˆ˜ ์ •์˜ ํ•„์š” 2.1. ๋ฐฐ์—ด ์ •๋ ฌ let arr2 = [103, 273, 32..
SW ๊ฐœ๋ฐœ/Vanilla JS 2021. 12. 1. 15:49
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