String.fromCharCode

String.fromCharCode() ๋Š” ์ •์  ๋ฉ”์†Œ๋“œ์ด๋‹ค.

UTF-16 ์ฝ”๋“œ ๋‹จ์œ„์˜ ์‹œํ€€์Šค์—์„œ stirng์œผ๋กœ ๋งŒ๋“ค์–ด ๋ฐ˜ํ™˜ํ•œ๋‹ค.

String.fromCharCode(189, 43, 190, 61); // "ยฝ+ยพ="

์ •์  ๋ฉ”์„œ๋“œ

ํด๋ž˜์Šค์•ˆ์— static ํ‚ค์›Œ๋“œ๋ฅผ ๋ถ™์—ฌ ๋งŒ๋“ ๋‹ค.

dot notation์œผ๋กœ ํ˜ธ์ถœํ•˜๊ณ , this๋Š” .(์ )์•ž์—๊ฐ€ ๋œ๋‹ค.

์—ฌ๊ธฐ์„  String

ํด๋ž˜์Šค์˜ ์ธ์Šคํ„ด์Šค ์—†์ด ํ˜ธ์ถœ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ํด๋ž˜์Šค๊ฐ€ ์ธ์Šคํ„ด์Šคํ™”๋˜๋ฉด ํ˜ธ์ถœํ•  ์ˆ˜ ์—†๋‹ค.

์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ์œ ํ‹ธ๋ฆฌํ‹ฐ ํ•จ์ˆ˜๋ฅผ ๋งŒ๋“œ๋Š”๋ฐ ์‚ฌ์šฉ๋œ๋‹ค.

Syntax

String.fromCharCode(num1, [,... [, numN ]])

Parameters

num1, ..., numN

UTF-16 ์ฝ”๋“œ ๋‹จ์œ„์ธ ์ˆซ์ž ์‹œํ€€์Šค, ๊ทธ ๋ฒ”์œ„๋Š” 0์—์„œ 65535 (0xFFFF)๊นŒ์ง€์ด๋‹ค. 0xFFFF๋ณด๋‹ค ํฐ ์ˆ˜๋Š” ์ž๋ฅธ๋‹ค. ์œ ํšจ์„ฑ ๊ฒ€์‚ฌ๋Š” ์—†๋‹ค.

Return value

UTF-16 ์ฝ”๋“œ ๋‹จ์œ„๋กœ ๊ตฌ์„ฑ๋œ N ๊ธธ์ด์˜ ๋ฌธ์ž์—ด

Descripttion

์ด ๋ฉ”์†Œ๋“œ๋Š” String object๊ฐ€ ์•„๋‹Œ string์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

์™œ๋ƒํ•˜๋ฉด String ์˜ ์ •์  ๋ฉ”์†Œ๋“œ์ด๋‹ค. ์ง์ ‘ ์ƒ์„ฑํ•œ String object์˜ ๋ฉ”์†Œ๋“œ๊ฐ€ ์•„๋‹ˆ๋ผ, ํ•ญ์ƒ String.fromCharCode() ์‚ฌ์šฉํ•ด์•ผํ•œ๋‹ค.

์ƒ๊ฐํ•ด๋ณด๋‹ˆ.. String object๋ฅผ ๋งŒ๋“ค ์ผ์ด ์—†์Œ..

Examples

String.fromCharCode(65, 66, 67); // "ABC"
String.fromCharCode(0x2014); // "-"
String.fromCharCode(0x12014) // ์ˆซ์ž 1์€ ๋ฌด์‹œํ•œ๋‹ค ์™œ? "-" 0xFFFF๋ณด๋‹ค ํฐ ์ˆ˜๋Š” ์ž๋ฅธ๋‹ค.

๋” ํฐ ๊ฐ’๊ณผ ์‚ฌ์šฉํ•˜๊ธฐ

๋ชจ๋“  ์œ ํšจํ•œ ์œ ๋‹ˆ์ฝ”๋“œ ๊ฐ’์„ ์ฒ˜๋ฆฌํ•˜๋ ค๋ฉด fromCharCode()๋งŒ์œผ๋กœ ๋ถ€์กฑํ•˜๋‹ค.

๋” ๋†’์€ ์ฝ”๋“œ ํฌ์ธํŠธ ๋ฌธ์ž๋Š” ํ•˜๋‚˜์˜ ๋ฌธ์ž๋ฅผ ํ˜•์„ฑํ•˜๊ธฐ ์œ„ํ•ด ๋‘๊ฐœ์˜ surrogate ๊ฐ’ ์„ ์‚ฌ์šฉํ•œ๋‹ค.

String.fromCodePoint() ์„ ์ด์šฉํ•˜์—ฌ ๋†’์€ ๊ฐ’์˜ ๋ฌธ์ž๋ฅผ ํ‘œํ˜„ํ•œ๋‹ค.

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