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[JavaScript] ๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ - charAt()

by ์ฝ”๋”ฉ๊ณต์ฑ… 2022. 8. 22.
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๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ : charAt()

์ด๋ฒˆ ํฌ์ŠคํŒ…์—์„œ๋Š” ๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ ์ค‘ charAt()์— ๋Œ€ํ•ด ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.


charAt()

๋ฌธ์ž์—ด์˜ ์œ„์น˜๋ฅผ ์ˆซ์ž๋กœ ์ž…๋ ฅํ•˜๋ฉด ๊ทธ ์œ„์น˜์˜ ๋ฌธ์ž์—ด ํ•œ ๊ธ€์ž๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.

//"๋ฌธ์ž์—ด".charAt(์ˆซ์ž);
const str1 = "javascript reference";
    const currentStr1 = str1.charAt();         //j
    const currentStr2 = str1.charAt("0");      //j
    const currentStr3 = str1.charAt("1");      //a
    const currentStr4 = str1.charAt("2");      //v
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