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Title: String.prototype.charCodeAt() - JavaScript | MDN

Open Graph Title: String.prototype.charCodeAt() - JavaScript | MDN

Description: String 값의 charCodeAt() 메서드는 주어진 인덱스의 UTF-16 코드 단위를 표현하는 0과 65535 사이의 정수를 반환합니다.

Open Graph Description: String 값의 charCodeAt() 메서드는 주어진 인덱스의 UTF-16 코드 단위를 표현하는 0과 65535 사이의 정수를 반환합니다.

Opengraph URL: https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt

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String.prototype.charCodeAt()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/es/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
Learn more and join the MDN Web Docs community.https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing/Translated_content#active_locales
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
Learn more https://developer.mozilla.org/ko/docs/Glossary/Baseline/Compatibility
See full compatibility https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#브라우저_호환성
Report feedback https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fko%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FString%2FcharCodeAt&level=high
Stringhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String
UTF-16 코드 단위https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
String.prototype.codePointAt()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
시도해 보기https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#시도해_보기
구문https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#구문
설명https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#설명
예제https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#예제
명세서https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#명세서
브라우저 호환성https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#브라우저_호환성
같이 보기https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#같이_보기
시도해 보기https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#시도해_보기
구문https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#구문
매개변수https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#매개변수
indexhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#index
정수로 변환https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Number#integer_conversion
반환 값https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#반환_값
NaNhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/NaN
설명https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#설명
codePointAt(i)https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
UTF-16 문자, 유니코드 코드 포인트 그리고 그래프 클러스터https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
예제https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#예제
charCodeAt() 사용하기https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#charcodeat_사용하기
String.prototype.codePointAt()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
유니코드 FAQhttps://unicode.org/faq/utf_bom.html#utf16-3
명세서https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#명세서
ECMAScript® 2026 Language Specification# sec-string.prototype.charcodeathttps://tc39.es/ecma262/multipage/text-processing.html#sec-string.prototype.charcodeat
브라우저 호환성https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#브라우저_호환성
같이 보기https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#같이_보기
String.fromCharCode()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
String.prototype.charAt()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charAt
String.fromCodePoint()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
String.prototype.codePointAt()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
Learn how to contributehttps://developer.mozilla.org/ko/docs/MDN/Community/Getting_started
MDN contributorshttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt/contributors.txt
View this page on GitHubhttps://github.com/mdn/translated-content/blob/main/files/ko/web/javascript/reference/global_objects/string/charcodeat/index.md?plain=1
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String.prototype.small()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/small
String.prototype.split()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/split
String.prototype.startsWith()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
String.prototype.strike()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/strike
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String.prototype.toLocaleLowerCase()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleLowerCase
String.prototype.toLocaleUpperCase()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleUpperCase
String.prototype.toLowerCase()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase
String.prototype.toString()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toString
String.prototype.toUpperCase()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
String.prototype.toWellFormed()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/toWellFormed
String.prototype.trim()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/trim
String.prototype.trimEnd()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/trimEnd
String.prototype.trimStart()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/trimStart
String.prototype.valueOf()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/valueOf
String.prototype[@@iterator]()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/Symbol.iterator
String.lengthhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/length
Object/Functionhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object
Function.prototype.apply()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/apply
Function.prototype.bind()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
Function.prototype.call()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/call
Function.prototype.toSource()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/toString
Function.prototype[@@hasInstance]()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/Symbol.hasInstance
Function: displayNamehttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/displayName
Function.prototype.lengthhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/length
Function: namehttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/name
Functionhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function
Function.argumentshttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/arguments
Function.prototype.callerhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Function/caller
Object.prototype.__defineGetter__()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineGetter__
Object.prototype.__defineSetter__()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineSetter__
Object.prototype.__lookupGetter__()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/__lookupGetter__
Object.prototype.__lookupSetter__()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/__lookupSetter__
Object.prototype.hasOwnProperty()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty
Object.prototype.isPrototypeOf()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/isPrototypeOf
Object.prototype.propertyIsEnumerable()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable
Object.prototype.toLocaleString()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/toLocaleString
Object.prototype.toString()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
Object.prototype.valueOf()https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/valueOf
Object.prototype.__proto__https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/proto
Object.prototype.constructorhttps://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor
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