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RangeError

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RangeError ๊ฐ์ฒด๋Š” ์–ด๋–ค ๊ฐ’์ด ์ง‘ํ•ฉ์— ์—†๊ฑฐ๋‚˜ ํ—ˆ์šฉ๋˜๋Š” ๋ฒ”์œ„๊ฐ€ ์•„๋‹ ๋•Œ ์˜ค๋ฅ˜๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.

์„ค๋ช…

์–ด๋–ค ๊ฐ’์„ ๊ทธ ๊ฐ’์ด ํฌํ•จ๋˜๋Š” ๋ฒ”์œ„๋ฅผ ํ—ˆ์šฉํ•˜์ง€ ์•Š๋Š” ํ•จ์ˆ˜์— ์ธ์ˆ˜๋กœ ์ „๋‹ฌํ•˜๋ ค ํ•  ๋•Œ RangeError๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฒฝ์šฐ์— ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • ํ—ˆ์šฉ๋˜๋Š” ๋ฌธ์ž์—ด์ด ์•„๋‹Œ ๊ฐ’์„ String.prototype.normalize()์— ์ „๋‹ฌํ•˜๊ฑฐ๋‚˜,
  • Array ์ƒ์„ฑ์ž๋ฅผ ํ†ตํ•ด ์ž˜๋ชป๋œ ๊ธธ์ด์˜ ๋ฐฐ์—ด์„ ๋งŒ๋“œ๋ ค๊ณ  ์‹œ๋„ํ•˜๊ฑฐ๋‚˜,
  • ์ˆซ์ž ๋ฉ”์„œ๋“œ Number.prototype.toExponential(), Number.prototype.toFixed() ํ˜น์€ Number.prototype.toPrecision()์— ๋‚˜์œ ๊ฐ’์„ ์ „๋‹ฌํ•˜๋Š” ๊ฒฝ์šฐ.

RangeError๋Š” ์ง๋ ฌํ™” ๊ฐ€๋Šฅํ•œ ๊ฐ์ฒด์ด๊ธฐ ๋•Œ๋ฌธ์—, structuredClone()๋กœ ๋ณต์ œํ•˜๊ฑฐ๋‚˜ postMessage()๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ Worker ๊ฐ„์— ๋ณต์‚ฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

RangeError๋Š” Error์˜ ํ•˜์œ„ ํด๋ž˜์Šค์ž…๋‹ˆ๋‹ค.

์ƒ์„ฑ์ž

RangeError()

์ƒˆ๋กœ์šด RangeError ๊ฐ์ฒด๋ฅผ ๋งŒ๋“ญ๋‹ˆ๋‹ค.

์ธ์Šคํ„ด์Šค ์†์„ฑ

์ธ์Šคํ„ด์Šค ์†์„ฑ์€ ๋ถ€๋ชจ์ธ Error๋กœ๋ถ€ํ„ฐ ์ƒ์†๋ฐ›์Šต๋‹ˆ๋‹ค.

์•„๋ž˜ ์†์„ฑ์€ RangeError.prototype์— ์ •์˜๋˜์–ด ์žˆ์œผ๋ฉฐ ๋ชจ๋“  RangeError ์ธ์Šคํ„ด์Šค ๊ฐ์ฒด์™€ ๊ณต์œ ํ•ฉ๋‹ˆ๋‹ค.

RangeError.prototype.constructor

์ธ์Šคํ„ด์Šค ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ์ƒ์„ฑ์ž ํ•จ์ˆ˜์ž…๋‹ˆ๋‹ค. RangeError ์ธ์Šคํ„ด์Šค์—์„œ ์ดˆ๊ธฐ ๊ฐ’์€ RangeError ์ƒ์„ฑ์ž์ž…๋‹ˆ๋‹ค.

RangeError.prototype.name

์˜ค๋ฅ˜์˜ ์œ ํ˜•์— ๋Œ€ํ•œ ์ด๋ฆ„์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. RangeError.prototype.name์˜ ์ดˆ๊ธฐ ๊ฐ’์€ "RangeError"์ž…๋‹ˆ๋‹ค.

์ธ์Šคํ„ด์Šค ๋ฉ”์„œ๋“œ

์ธ์Šคํ„ด์Šค ๋ฉ”์„œ๋“œ๋Š” ๋ถ€๋ชจ์ธ Error๋กœ๋ถ€ํ„ฐ ์ƒ์†๋ฐ›์Šต๋‹ˆ๋‹ค.

์˜ˆ์ œ

RangeError ์‚ฌ์šฉํ•˜๊ธฐ(์ˆซ์ž ๊ฐ’์ผ ๊ฒฝ์šฐ)

js
function check(n) {
  if (!(n >= -500 && n <= 500)) {
    throw new RangeError("The argument must be between -500 and 500.");
  }
}
try {
  check(2000);
} catch (error) {
  if (error instanceof RangeError) {
    // ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ
  }
}

RangeError ์‚ฌ์šฉํ•˜๊ธฐ (์ˆซ์ž๊ฐ’์ด ์•„๋‹ ๊ฒฝ์šฐ)

js
function check(value) {
  if (!["apple", "banana", "carrot"].includes(value)) {
    throw new RangeError(
      'The argument must be an "apple", "banana", or "carrot".',
    );
  }
}
try {
  check("cabbage");
} catch (error) {
  if (error instanceof RangeError) {
    // ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ
  }
}

๋ช…์„ธ

Specification
ECMAScriptยฎ 2026 Languageย Specification
# sec-native-error-types-used-in-this-standard-rangeerror

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