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

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

Description: The codePointAt() method of String values returns a non-negative integer that is the Unicode code point value of the character starting at the given index. Note that the index is still based on UTF-16 code units, not Unicode code points.

Open Graph Description: The codePointAt() method of String values returns a non-negative integer that is the Unicode code point value of the character starting at the given index. Note that the index is still based on UTF-16 code units, not Unicode code points.

Opengraph URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt

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Standard built-in objects	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
String	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
codePointAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://github.com/orgs/mdn/discussions/739
	https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/es/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
	https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
Learn more	https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility
See full compatibility	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#browser_compatibility
Report feedback	https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fen-US%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FString%2FcodePointAt&level=high
String	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
Try it	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#try_it
Syntax	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#syntax
Description	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#description
Examples	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#examples
Specifications	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#specifications
Browser compatibility	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#browser_compatibility
See also	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#see_also
Try it	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#try_it
Syntax	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#syntax
Parameters	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#parameters
index	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#index
Converted to an integer	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number#integer_conversion
Return value	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#return_value
undefined	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined
Description	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#description
UTF-16 characters, Unicode code points, and grapheme clusters	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
Examples	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#examples
Using codePointAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#using_codepointat
Looping with codePointAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#looping_with_codepointat
for...of	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#for...of_statement
spread the string	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax
[Symbol.iterator]()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Symbol.iterator
Specifications	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#specifications
ECMAScript® 2026 Language Specification# sec-string.prototype.codepointat	https://tc39.es/ecma262/multipage/text-processing.html#sec-string.prototype.codepointat
Browser compatibility	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#browser_compatibility
See also	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt#see_also
Polyfill of String.prototype.codePointAt in core-js	https://github.com/zloirock/core-js#ecmascript-string-and-regexp
es-shims polyfill of String.prototype.codePointAt	https://www.npmjs.com/package/string.prototype.codepointat
String.fromCodePoint()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
String.fromCharCode()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
String.prototype.charCodeAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
String.prototype.charAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charAt
Learn how to contribute	https://developer.mozilla.org/en-US/docs/MDN/Community/Getting_started
MDN contributors	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt/contributors.txt
View this page on GitHub	https://github.com/mdn/content/blob/main/files/en-us/web/javascript/reference/global_objects/string/codepointat/index.md?plain=1
Report a problem with this content	https://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FString%2FcodePointAt&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A+Folder%3A+%60en-us%2Fweb%2Fjavascript%2Freference%2Fglobal_objects%2Fstring%2Fcodepointat%60%0A+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FString%2FcodePointAt%0A+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fweb%2Fjavascript%2Freference%2Fglobal_objects%2Fstring%2Fcodepointat%2Findex.md%0A+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2F544b843570cb08d1474cfc5ec03ffb9f4edc0166%0A*+Document+last+modified%3A+2025-07-10T09%3A07%3A55.000Z%0A%0A%3C%2Fdetails%3E
Standard built-in objects	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
String	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
String()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/String
fromCharCode()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
fromCodePoint()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
raw()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/raw
anchor()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/anchor
at()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/at
big()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/big
blink()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/blink
bold()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/bold
charAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charAt
charCodeAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
codePointAt()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
concat()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/concat
endsWith()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
fixed()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fixed
fontcolor()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fontcolor
fontsize()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fontsize
includes()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
indexOf()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf
isWellFormed()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/isWellFormed
italics()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/italics
lastIndexOf()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/lastIndexOf
link()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/link
localeCompare()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/localeCompare
match()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/match
matchAll()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/matchAll
normalize()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize
padEnd()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd
padStart()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
repeat()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
replace()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace
replaceAll()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replaceAll
search()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/search
slice()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice
small()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/small
split()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split
startsWith()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
strike()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/strike
sub()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/sub
substr()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substr
substring()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substring
sup()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/sup
toLocaleLowerCase()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleLowerCase
toLocaleUpperCase()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleUpperCase
toLowerCase()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase
toString()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toString
toUpperCase()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
toWellFormed()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toWellFormed
trim()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trim
trimEnd()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trimEnd
trimStart()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trimStart
valueOf()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/valueOf
[Symbol.iterator]()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Symbol.iterator
length	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length
Object/Function	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object
apply()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply
bind()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
call()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/call
toString()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/toString
[Symbol.hasInstance]()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/Symbol.hasInstance
displayName	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/displayName
length	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/length
name	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
prototype	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/prototype
arguments	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/arguments
caller	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/caller
__defineGetter__()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineGetter__
__defineSetter__()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/__defineSetter__
__lookupGetter__()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/__lookupGetter__
__lookupSetter__()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/__lookupSetter__
hasOwnProperty()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty
isPrototypeOf()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isPrototypeOf
propertyIsEnumerable()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable
toLocaleString()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toLocaleString
toString()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
valueOf()	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/valueOf
__proto__	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/proto
constructor	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor
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MDN Plus	https://developer.mozilla.org/en-US/plus
Product help	https://support.mozilla.org/products/mdn-plus
MDN Community	https://developer.mozilla.org/en-US/community
Community resources	https://developer.mozilla.org/en-US/docs/MDN/Community
Writing guidelines	https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines
MDN Discord	https://developer.mozilla.org/discord
MDN on GitHub	https://github.com/mdn
Web technologies	https://developer.mozilla.org/en-US/docs/Web
Learn web development	https://developer.mozilla.org/en-US/docs/Learn_web_development
Guides	https://developer.mozilla.org/en-US/docs/MDN/Guides
Tutorials	https://developer.mozilla.org/en-US/docs/MDN/Tutorials
Glossary	https://developer.mozilla.org/en-US/docs/Glossary
Hacks blog	https://hacks.mozilla.org/
	https://www.mozilla.org/
Website Privacy Notice	https://www.mozilla.org/privacy/websites/
Telemetry Settings	https://www.mozilla.org/en-US/privacy/websites/data-preferences/
Legal	https://www.mozilla.org/about/legal/terms/mozilla
Community Participation Guidelines	https://www.mozilla.org/about/governance/policies/participation/
Mozilla Corporation’s	https://www.mozilla.org/
Mozilla Foundation	https://foundation.mozilla.org/
a Creative Commons license	https://developer.mozilla.org/docs/MDN/Writing_guidelines/Attrib_copyright_license

Viewport: width=device-width, initial-scale=1.0

URLs of crawlers that visited me.