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๋ชฉ๋ก์๋ฐ์คํฌ๋ฆฝํธ concat (1)
DATA101
[JavaScript] ๋ฐฐ์ด ๋ณํฉ ํจ์์ ๋ํด ์์๋ณด์!(concat, join)
๐ก ๋ชฉํ JavaScript์์ ๋ฐฐ์ด์ ์์ ์ถ๊ฐ/์ญ์ ํ๋ ๋ฐฉ๋ฒ์ ๋ํด ์ดํดํ๋ค. ๋ค์ด๊ฐ๋ฉฐ ๋ฐฐ์ด ์ ์ธ const arr = [80, 20, 10, 99, 1234]; ์์ ๊ฐ์ด ๋ฐฐ์ด ๊ฐ์ฒด๋ฅผ ์์ฑํ๋ ๋์์ ์ด๊ธฐํํ์ต๋๋ค. 1. concat ํจ์: ๋ฐฐ์ด ๊ฐ ๋ณํฉ let arrConcat = arr.concat(5678); console.log("arr: ", arr); // [ 80, 20, 10, 99, 1234 ] console.log("arrConcat: ", arrConcat); // [ 80, 20, 10, 99, 1234, 5678 ] consoloe.log('----------------------------'); arrConcat = arr.concat([111, 222]); console...
SW ๊ฐ๋ฐ/Vanilla JS
2021. 12. 1. 13:14