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Title: class - JavaScript | MDN

Open Graph Title: class - JavaScript | MDN

Description: Une expression de classe est un moyen de définir une classe avec ECMASCript 2015 (ES6). Semblable aux expressions de fonctions, les expressions de classes peuvent être nommées ou anonymes. Si l'expression est nommée, le nom de la classe ne sera local que pour le corps de la fonction. Cette syntaxe n'est qu'un « sucre syntaxique » pour faciliter l'écriture du code, elle ne modifie en aucun cas le modèle d'héritage utilisé par JavaScript qui est un modèle à base de prototypes.

Open Graph Description: Une expression de classe est un moyen de définir une classe avec ECMASCript 2015 (ES6). Semblable aux expressions de fonctions, les expressions de classes peuvent être nommées ou anonymes. Si l'expression est nommée, le nom de la classe ne sera local que pour le corps de la fonction. Cette syntaxe n'est qu'un « sucre syntaxique » pour faciliter l'écriture du code, elle ne modifie en aucun cas le modèle d'héritage utilisé par JavaScript qui est un modèle à base de prototypes.

Opengraph URL: https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class

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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/class
Learn more https://developer.mozilla.org/fr/docs/Glossary/Baseline/Compatibility
See full compatibility https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#compatibilité_des_navigateurs
Report feedback https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Ffr%2Fdocs%2FWeb%2FJavaScript%2FReference%2FOperators%2Fclass&level=high
expressions de fonctionshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/function
Exemple interactifhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#exemple_interactif
Syntaxehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#syntaxe
Descriptionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#description
Exempleshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#exemples
Spécificationshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#spécifications
Compatibilité des navigateurshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#compatibilité_des_navigateurs
Voir aussihttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#voir_aussi
Exemple interactifhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#exemple_interactif
Syntaxehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#syntaxe
Descriptionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#description
instruction de classehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/class
mode stricthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Strict_mode
Exempleshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#exemples
Une expression simplehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#une_expression_simple
Des expressions nomméeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#des_expressions_nommées
Spécificationshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#spécifications
ECMAScript® 2026 Language Specification# sec-class-definitionshttps://tc39.es/ecma262/multipage/ecmascript-language-functions-and-classes.html#sec-class-definitions
Compatibilité des navigateurshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#compatibilité_des_navigateurs
Voir aussihttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class#voir_aussi
Les expressions functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/function
Les déclaration classhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/class
Les classeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes
Learn how to contributehttps://developer.mozilla.org/fr/docs/MDN/Community/Getting_started
contributeurs du MDNhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class/contributors.txt
View this page on GitHubhttps://github.com/mdn/translated-content/blob/main/files/fr/web/javascript/reference/operators/class/index.md?plain=1
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JavaScripthttps://developer.mozilla.org/fr/docs/Web/JavaScript
Guide JavaScripthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide
Introductionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Introduction
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Expressions rationnelleshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Regular_expressions
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Manipuler les objetshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Working_with_objects
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Différents tests d'égalitéhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Equality_comparisons_and_sameness
Rattachement des propriétéshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Enumerability_and_ownership_of_properties
Fermetures (closures)https://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Closures
L'héritage et la chaîne de prototypeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Inheritance_and_the_prototype_chain
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Gestion de la mémoirehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Guide/Memory_management
Référenceshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference
Objets natifshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects
AggregateErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AggregateError
Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Array
ArrayBufferhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer
AsyncDisposableStackhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AsyncDisposableStack
AsyncFunctionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction
AsyncGeneratorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AsyncGenerator
AsyncGeneratorFunctionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AsyncGeneratorFunction
AsyncIteratorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/AsyncIterator
Atomicshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Atomics
BigInthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/BigInt
BigInt64Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/BigInt64Array
BigUint64Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/BigUint64Array
Booleanhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Boolean
DataViewhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/DataView
Datehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Date
decodeURI()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/decodeURI
decodeURIComponent()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent
DisposableStackhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DisposableStack
encodeURI()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/encodeURI
encodeURIComponent()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent
Errorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Error
escape()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/escape
eval()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/eval
EvalErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/EvalError
FinalizationRegistryhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry
Float16Arrayhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float16Array
Float32Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Float32Array
Float64Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Float64Array
Functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Function
Generatorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Generator
GeneratorFunctionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/GeneratorFunction
globalThishttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/globalThis
Infinityhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Infinity
Int8Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Int8Array
Int16Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Int16Array
Int32Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Int32Array
InternalErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/InternalError
Intlhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Intl
isFinite()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/isFinite
isNaN()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/isNaN
Iteratorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator
JSONhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/JSON
Maphttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Map
Mathhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Math
NaNhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/NaN
Numberhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Number
Objecthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Object
parseFloat()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/parseFloat
parseInt()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/parseInt
Promisehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Promise
Proxyhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Proxy
RangeErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/RangeError
ReferenceErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError
Reflecthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Reflect
RegExphttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/RegExp
Sethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Set
SharedArrayBufferhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer
Stringhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/String
SuppressedErrorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SuppressedError
Symbolhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Symbol
SyntaxErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError
Temporalhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Temporal
TypedArrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
TypeErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/TypeError
Uint8Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array
Uint8ClampedArrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray
Uint16Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array
Uint32Arrayhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array
undefinedhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/undefined
unescape()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/unescape
URIErrorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/URIError
WeakMaphttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/WeakMap
WeakRefhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/WeakRef
WeakSethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Global_Objects/WeakSet
Expressions et opérateurshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators
Addition (+)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Addition
Affectation après addition (+=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Addition_assignment
Assignement (=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Assignment
Expression async functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/async_function
Expression async function*https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/async_function*
awaithttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/await
ET binaire (&)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_AND
Affectation après ET binaire (&=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_AND_assignment
NON binaire (~)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_NOT
OU binaire (|)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_OR
Affectation après OU binaire (|=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_OR_assignment
OU exclusif binaire (^)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_XOR
Affectation après OU exclusif binaire (^=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Bitwise_XOR_assignment
classhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/class
L'opérateur virgulehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Comma_operator
L'opérateur conditionnelhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Conditional_operator
Décrémentation (--)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Decrement
L'opérateur deletehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/delete
Affecter par décompositionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Destructuring
Division (/)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Division
Affectation après division (/=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Division_assignment
Égalité (==)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Equality
Exponentiation (**)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Exponentiation
Affectation après exponentiation (**=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Exponentiation_assignment
L'opérateur functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/function
Expression function*https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/function*
Supérieur strict (>)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Greater_than
Supérieur ou égal (>=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Greater_than_or_equal
Opérateur de groupementhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Grouping
import.metahttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/import.meta
import.meta.resolve()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/import.meta/resolve
importhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/import
L'opérateur inhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/in
Incrémentation (++)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Increment
Inégalité (!=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Inequality
instanceofhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/instanceof
Décalage binaire à gauche (<<)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Left_shift
Affectation après décalage à gauche (<<=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Left_shift_assignment
Inférieur strict (<)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Less_than
Inférieur ou égal (<=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Less_than_or_equal
ET logique (&&)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Logical_AND
Affectation après ET logique (&&=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Logical_AND_assignment
NON logique (!)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Logical_NOT
OU logique (||)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Logical_OR
Affectation après OU logique (||=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Logical_OR_assignment
Multiplication (*)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Multiplication
Affectation après multiplication (*=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Multiplication_assignment
L'opérateur newhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/new
new.targethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/new.target
nullhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/null
Affectation après coalescence des nuls (??=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_assignment
Opérateur de coalescence des nuls (Nullish coalescing operator)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing
Initialisateur d'objethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Object_initializer
Précédence des opérateurshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Operator_precedence
Chaînage optionnel (optional chaining)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Optional_chaining
Accesseurs de propriétéshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Property_accessors
Reste (%)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Remainder
Affectation après reste (%=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Remainder_assignment
Décalage binaire à droite (>>)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Right_shift
Affectation après décalage à droite (>>=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Right_shift_assignment
Syntaxe de décompositionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Spread_syntax
Égalité stricte (===)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Strict_equality
Inégalité stricte (!==)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Strict_inequality
Soustraction (-)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Subtraction
Affectation après soustraction (-=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Subtraction_assignment
superhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/super
L'opérateur thishttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/this
L'opérateur typeofhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/typeof
Négation unaire (-)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Unary_negation
Plus unaire (+)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Unary_plus
Décalage binaire à droite non-signé (>>>)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Unsigned_right_shift
Affectation après décalage à droite non signé (>>>=)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/Unsigned_right_shift_assignment
L'opérateur voidhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/void
yieldhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/yield
yield*https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Operators/yield*
Instructions et déclarationshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements
async functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/async_function
async function*https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/async_function*
await usinghttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/await_using
blochttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/block
breakhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/break
classhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/class
consthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/const
continuehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/continue
debuggerhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/debugger
do...whilehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/do...while
videhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/Empty
exporthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/export
Expression statementhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/Expression_statement
forhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/for
for await...ofhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/for-await...of
for...inhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/for...in
for...ofhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/for...of
functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/function
function*https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/function*
if…elsehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/if...else
importhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/import
Import attributeshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import/with
labelhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/label
lethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/let
returnhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/return
switchhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/switch
throwhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/throw
try...catchhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/try...catch
usinghttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/using
varhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/var
whilehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/while
withhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Statements/with
Fonctionshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions
Fonctions fléchéeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/Arrow_functions
Valeurs par défaut des argumentshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/Default_parameters
L'opérateur gethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/get
Définir une méthodehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/Method_definitions
Paramètres du reste (Rest parameters)https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/rest_parameters
L'opérateur sethttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/set
argumentshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/arguments
arguments[@@iterator]()https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/arguments/Symbol.iterator
calleehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/arguments/callee
lengthhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Functions/arguments/length
Classeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes
constructorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes/constructor
extendshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes/extends
Propriétés privéeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes/Private_elements
Champs de classe publicshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes/Public_class_fields
statichttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Classes/static
Static initialization blockshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Static_initialization_blocks
Expressions rationnelleshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions
Backreference: \1, \2https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Backreference
Capturing group: (...)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Capturing_group
Character class escape: \d, \D, \w, \W, \s, \Shttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_class_escape
Character class: [...], [^...]https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_class
Character escape: \n, \u{...}https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_escape
Disjunction: |https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Disjunction
Input boundary assertion: ^, $https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Input_boundary_assertion
Literal character: a, bhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Literal_character
Lookahead assertion: (?=...), (?!...)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Lookahead_assertion
Lookbehind assertion: (?<=...), (?https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Lookbehind_assertion
Modifier: (?ims-ims:...)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Modifier
Named backreference: \khttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Named_backreference
Named capturing group: (?...)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Named_capturing_group
Non-capturing group: (?:...)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Non-capturing_group
Quantifier: *, +, ?, {n}, {n,}, {n,m}https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Quantifier
Échappement des propriétés Unicodehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Regular_expressions/Unicode_character_class_escape
Wildcard: .https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Wildcard
Word boundary assertion: \b, \Bhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Word_boundary_assertion
Erreurshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors
AggregateError: No Promise in Promise.any was resolvedhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Promise_any_all_rejected
Error: Permission denied to access property "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Property_access_denied
InternalError: too much recursionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Too_much_recursion
RangeError: argument is not a valid code pointhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Not_a_valid_code_point
RangeError: BigInt division by zerohttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/BigInt_division_by_zero
RangeError: BigInt negative exponenthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/BigInt_negative_exponent
RangeError: form must be one of 'NFC', 'NFD', 'NFKC', or 'NFKD'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Form_must_be_one_of
RangeError: invalid array lengthhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_array_length
RangeError: invalid datehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_date
RangeError: precision is out of rangehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Precision_range
RangeError: radix must be an integerhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Bad_radix
RangeError: repeat count must be less than infinityhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Resulting_string_too_large
RangeError: repeat count must be non-negativehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Negative_repetition_count
RangeError: x can't be converted to BigInt because it isn't an integerhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_be_converted_to_BigInt_because_it_isnt_an_integer
ReferenceError: "x" is not definedhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Not_defined
ReferenceError: assignment to undeclared variable "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Undeclared_var
ReferenceError: can't access lexical declaration 'X' before initializationhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_access_lexical_declaration_before_init
ReferenceError: must call super constructor before using 'this' in derived class constructorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Super_not_called
ReferenceError: super() called twice in derived class constructorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Super_called_twice
SyntaxError: 'arguments'/'eval' can't be defined or assigned to in strict mode codehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_strict_arguments_eval
SyntaxError: "0"-prefixed octal literals and octal escape seq. are deprecatedhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Deprecated_octal_literal
SyntaxError: "use strict" not allowed in function with "x" parameterhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Strict_non_simple_params
SyntaxError: "x" is a reserved identifierhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Reserved_identifier
SyntaxError: \ at end of patternhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_backslash_at_end_of_pattern
SyntaxError: a declaration in the head of a for-of loop can't have an initializerhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_for-of_initializer
SyntaxError: applying the 'delete' operator to an unqualified name is deprecatedhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Delete_in_strict_mode
SyntaxError: arguments is not valid in fieldshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Arguments_not_allowed
SyntaxError: await is only valid in async functions, async generators and moduleshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_await
SyntaxError: await/yield expression can't be used in parameterhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/await_yield_in_parameter
SyntaxError: cannot use `??` unparenthesized within `||` and `&&` expressionshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_use_nullish_coalescing_unparenthesized
SyntaxError: character class escape cannot be used in class range in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_character_class_escape_in_class_range
SyntaxError: continue must be inside loophttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_continue
SyntaxError: duplicate capture group name in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_duplicate_capture_group_name
SyntaxError: duplicate formal argument xhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Duplicate_parameter
SyntaxError: for-in loop head declarations may not have initializershttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_for-in_initializer
SyntaxError: function statement requires a namehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Unnamed_function_statement
SyntaxError: functions cannot be labelledhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Function_label
SyntaxError: getter and setter for private name #x should either be both static or non-statichttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Either_be_both_static_or_non-static
SyntaxError: getter functions must have no argumentshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_no_arguments
SyntaxError: identifier starts immediately after numeric literalhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Identifier_after_number
SyntaxError: illegal characterhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Illegal_character
SyntaxError: import declarations may only appear at top level of a modulehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/import_decl_module_top_level
SyntaxError: incomplete quantifier in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_incomplete_quantifier
ReferenceError: invalid assignment left-hand sidehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_assignment_left-hand_side
SyntaxError: invalid BigInt syntaxhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_BigInt_syntax
SyntaxError: invalid capture group name in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_capture_group_name
SyntaxError: invalid character in class in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_char_in_class
SyntaxError: invalid class set operation in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_class_set_operation
SyntaxError: invalid decimal escape in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_decimal_escape
SyntaxError: invalid identity escape in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_identity_escape
SyntaxError: invalid named capture reference in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_named_capture_reference
SyntaxError: invalid property name in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_property_name
SyntaxError: invalid range in character classhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_range_in_character_class
SyntaxError: invalid regexp grouphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_group
SyntaxError: invalid regular expression flag "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Bad_regexp_flag
SyntaxError: invalid unicode escape in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_invalid_unicode_escape
SyntaxError: JSON.parse: bad parsinghttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/JSON_bad_parse
SyntaxError: label not foundhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Label_not_found
SyntaxError: missing : after property idhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_colon_after_property_id
SyntaxError: missing ) after argument listhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_parenthesis_after_argument_list
SyntaxError: missing ) after conditionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_parenthesis_after_condition
SyntaxError: missing ] after element listhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_bracket_after_list
SyntaxError: missing } after function bodyhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_curly_after_function_body
SyntaxError: missing } after property listhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_curly_after_property_list
SyntaxError: missing = in const declarationhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_initializer_in_const
SyntaxError: missing formal parameterhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_formal_parameter
SyntaxError: missing name after . operatorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Missing_name_after_dot_operator
SyntaxError: missing variable namehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/No_variable_name
SyntaxError: negated character class with strings in regular expressionhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_negated_char_class_with_strings
SyntaxError: new keyword cannot be used with an optional chainhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_new_optional
SyntaxError: nothing to repeathttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_nothing_to_repeat
SyntaxError: numbers out of order in {} quantifier.https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_numbers_out_of_order_in_quantifier
SyntaxError: octal escape sequences can't be used in untagged template literals or in strict mode codehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Deprecated_octal_escape_sequence
SyntaxError: parameter after rest parameterhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Parameter_after_rest_parameter
SyntaxError: private fields can't be deletedhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cant_delete_private_fields
SyntaxError: property name __proto__ appears more than once in object literalhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Duplicate_proto
SyntaxError: raw bracket is not allowed in regular expression with unicode flaghttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Regex_raw_bracket
SyntaxError: redeclaration of formal parameter "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Redeclared_parameter
SyntaxError: reference to undeclared private field or method #xhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Undeclared_private_field_or_method
SyntaxError: rest parameter may not have a defaulthttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Rest_with_default
SyntaxError: return not in functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Bad_return
SyntaxError: setter functions must have one argumenthttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Setter_one_argument
SyntaxError: unterminated string literalhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/String_literal_EOL
SyntaxError: super() is only valid in derived class constructorshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_super_call
SyntaxError: tagged template cannot be used with optional chainhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_optional_template
SyntaxError: Unexpected '#' used outside of class bodyhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Hash_outside_class
SyntaxError: Unexpected tokenhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Unexpected_token
SyntaxError: unlabeled break must be inside loop or switchhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_break
SyntaxError: unparenthesized unary expression can't appear on the left-hand side of '**'https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Unparenthesized_unary_expr_lhs_exponentiation
SyntaxError: use of super property/member accesses only valid within methods or eval code within methodshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Bad_super_prop
SyntaxError: Using //@ to indicate sourceURL pragmas is deprecated. Use //# insteadhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Deprecated_source_map_pragma
ReferenceError: deprecated caller or arguments usagehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Deprecated_caller_or_arguments_usage
TypeError: 'x' is not iterablehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/is_not_iterable
TypeError: "x" is (not) "y"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Unexpected_type
TypeError: "x" is not a constructorhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Not_a_constructor
TypeError: "x" is not a functionhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Not_a_function
TypeError: "x" is not a non-null objecthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/No_non-null_object
TypeError: "x" is read-onlyhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Read-only
TypeError: already executing generatorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Already_executing_generator
TypeError: BigInt value can't be serialized in JSONhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/BigInt_not_serializable
TypeError: calling a builtin X constructor without new is forbiddenhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Builtin_ctor_no_new
TypeError: can't access/set private field or method: object is not the right classhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Get_set_missing_private
TypeError: can't assign to property "x" on "y": not an objecthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_assign_to_property
TypeError: can't convert BigInt to numberhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_convert_BigInt_to_number
TypeError: can't convert x to BigInthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_convert_x_to_BigInt
TypeError: can't define property "x": "obj" is not extensiblehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_define_property_object_not_extensible
TypeError: can't delete non-configurable array elementhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Non_configurable_array_element
TypeError: can't redefine non-configurable property "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_redefine_property
TypeError: can't set prototype of this objecthttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cant_set_prototype
TypeError: can't set prototype: it would cause a prototype chain cyclehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_prototype
TypeError: invalid 'in' operand "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/in_operator_no_object
TypeError: class constructors must be invoked with 'new'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Class_ctor_no_new
TypeError: cyclic object valuehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
TypeError: derived class constructor returned invalid value xhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Invalid_derived_return
TypeError: getting private setter-only propertyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Private_setter_only
TypeError: Initializing an object twice is an error with private fields/methodshttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Private_double_initialization
TypeError: invalid 'instanceof' operand 'x'https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/invalid_right_hand_side_instanceof_operand
TypeError: invalid Array.prototype.sort argumenthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Array_sort_argument
TypeError: invalid assignment to const "x"https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Invalid_const_assignment
TypeError: Iterator/AsyncIterator constructor can't be used directlyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Constructor_cant_be_used_directly
TypeError: matchAll/replaceAll must be called with a global RegExphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Requires_global_RegExp
TypeError: More arguments neededhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/More_arguments_needed
TypeError: "x" has no propertieshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/No_properties
TypeError: property "x" is non-configurable and can't be deletedhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Cant_delete
TypeError: Reduce of empty array with no initial valuehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Reduce_of_empty_array_with_no_initial_value
TypeError: setting a property that has only a getterhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Getter_only
TypeError: WeakSet key/WeakMap value 'x' must be an object or an unregistered symbolhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Key_not_weakly_held
TypeError: X.prototype.y called on incompatible typehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Called_on_incompatible_type
URIError: malformed URI sequencehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Malformed_URI
Warning: -file- is being assigned a //# sourceMappingURL, but already has onehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Already_has_pragma
Warning: unreachable code after return statementhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Errors/Stmt_after_return
Aperçu des technologies JavaScripthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/JavaScript_technologies_overview
Execution modelhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Execution_model
Grammaire lexicalehttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Lexical_grammar
Protocoles d'itérationhttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Iteration_protocols
Mode stricthttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Strict_mode
Gabarits de chaînes de caractèreshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Template_literals
Virgules finaleshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Trailing_commas
Fonctionnalités dépréciéeshttps://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Deprecated_and_obsolete_features
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