includes()1 [JavaScript] ๋ฌธ์์ด ๋ฉ์๋ - includes() ๋ฌธ์์ด ๋ฉ์๋ : includes() ์ด๋ฒ ํฌ์คํ ์์๋ ๋ฌธ์์ด ๋ฉ์๋ ์ค includes()์ ๋ํด ๋ค๋ค๋ณด๋๋ก ํ๊ฒ ์ต๋๋ค. includes() ๋ฌธ์์ด ํฌํจ ์ฌ๋ถ๋ฅผ ๊ฒ์ํด์ ๋ถ๋ฆฐ(true/false)์ผ๋ก ๋ฐํํ๋ค. "๋ฌธ์์ด".includes(๊ฒ์๊ฐ) "๋ฌธ์์ด".includes(๊ฒ์๊ฐ, ์์๊ฐ) ์ฝ๋ ๋ณด๊ธฐ const str1 = "javascript reference"; const currentStr1 = str1.includes("javascript"); // true : ํฌํจ๋จ const currentStr2 = str1.includes("j"); // true const currentStr3 = str1.includes("b"); // false : ํฌํจ๋์ง ์์ const currentStr4 = s.. 2022. 8. 17. ์ด์ 1 ๋ค์ ๋ฐ์ํ
