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

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

Description: The charCodeAt() method of String values returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index.

Open Graph Description: The charCodeAt() method of String values returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index.

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

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Standard built-in objectshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
Stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
charCodeAt()https://developer.mozilla.org/en-US/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 https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility
See full compatibility https://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#browser_compatibility
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Stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
UTF-16 code unitshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
String.prototype.codePointAt()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
Try ithttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#try_it
Syntaxhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#syntax
Descriptionhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#description
Exampleshttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#examples
Specificationshttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#specifications
Browser compatibilityhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#browser_compatibility
See alsohttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#see_also
Try ithttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#try_it
Syntaxhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#syntax
Parametershttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#parameters
indexhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#index
Converted to an integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number#integer_conversion
Return valuehttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#return_value
NaNhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NaN
Descriptionhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#description
codePointAt(i)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
UTF-16 characters, Unicode code points, and grapheme clustershttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#utf-16_characters_unicode_code_points_and_grapheme_clusters
Exampleshttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#examples
Using charCodeAt()https://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#using_charcodeat
String.prototype.codePointAt()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
Unicode FAQhttps://unicode.org/faq/utf_bom.html#utf16-3
Specificationshttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#specifications
ECMAScript® 2026 Language Specification# sec-string.prototype.charcodeathttps://tc39.es/ecma262/multipage/text-processing.html#sec-string.prototype.charcodeat
Browser compatibilityhttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#browser_compatibility
See alsohttps://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt#see_also
String.fromCharCode()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
String.prototype.charAt()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charAt
String.fromCodePoint()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
String.prototype.codePointAt()https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt
Learn how to contributehttps://developer.mozilla.org/en-US/docs/MDN/Community/Getting_started
MDN contributorshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt/contributors.txt
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Standard built-in objectshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
Stringhttps://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
lengthhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length
Object/Functionhttps://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
displayNamehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/displayName
lengthhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/length
namehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
prototypehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/prototype
argumentshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/arguments
callerhttps://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
constructorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor
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a Creative Commons licensehttps://developer.mozilla.org/docs/MDN/Writing_guidelines/Attrib_copyright_license

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URLs of crawlers that visited me.