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๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋ก์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ ๋ฐฐ์—ด ์กฐ๊ฑด์‹ (1)

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[JavaScript] ๋ฐฐ์—ด ๋‚ด ์กฐ๊ฑด์„ ๋งŒ์กฑํ•˜๋Š” ์›์†Œ ์ฐพ๊ธฐ(filter ํ•จ์ˆ˜)

๐Ÿ’ก ๋ชฉํ‘œ JavaScript์—์„œ ๋ฐฐ์—ด ๋‚ด ์กฐ๊ฑด์„ ๋งŒ์กฑํ•˜๋Š” ์›์†Œ๋ฅผ ์ฐพ๋Š” filter ํ•จ์ˆ˜์˜ ํ™œ์šฉ๋ฒ•์— ๋Œ€ํ•ด ํ•™์Šตํ•œ๋‹ค. ํ•จ์ˆ˜ ์›ํ˜•(๊ธฐ๋ณธ) ๋ฐฐ์—ด.filter(์ฝœ๋ฐฑํ•จ์ˆ˜(๊ฐ’, ์ธ๋ฑ์Šค, ๋ฐฐ์—ด ์ž์‹ )); filter ํ•จ์ˆ˜๋Š” ์ „๋‹ฌ์ธ์ž๊ฐ€ ๋ฐฐ์—ด ๋‚ด ์›์†Œ ๊ฐ’, ์ธ๋ฑ์Šค, ๋ฐฐ์—ด ์ž์‹ ์ธ ์ฝœ๋ฐฑํ•จ์ˆ˜๋ฅผ ๋ฐ›๋Š” ํ•จ์ˆ˜๋กœ, ํŠน์ • ์กฐ๊ฑด์„ ๋งŒ์กฑํ•˜๋Š” ์›์†Œ๋งŒ ๋ฐ˜ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜์ž…๋‹ˆ๋‹ค. ์˜ˆ์ œ1 let arr1 = [1, 30, 39, 29, 10, 13]; function filterFunction1(value){ return value < 30; }; let arrFiltered = arr1.filter(filterFunction1); console.log(arrFiltered); filter ํ•จ์ˆ˜๋ฅผ ํ™œ์šฉํ•˜์—ฌ 30๋ณด๋‹ค ์ž‘์€ ์›์†Œ๋งŒ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹ค..
SW ๊ฐœ๋ฐœ/Vanilla JS 2021. 12. 2. 20:18
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