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April 13, 2021 10:21
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| Introduction | |
| Scope | |
| Conformance | |
| Example Clause Heading | |
| Normative References | |
| Overview | |
| Web Scripting | |
| Hosts and Implementations | |
| ECMAScript Overview | |
| Objects | |
| The Strict Variant of ECMAScript | |
| Terms and Definitions | |
| implementation-approximated | |
| implementation-defined | |
| host-defined | |
| type | |
| primitive value | |
| object | |
| constructor | |
| prototype | |
| ordinary object | |
| exotic object | |
| standard object | |
| built-in object | |
| undefined value | |
| Undefined type | |
| null value | |
| Null type | |
| Boolean value | |
| Boolean type | |
| Boolean object | |
| String value | |
| String type | |
| String object | |
| Number value | |
| Number type | |
| Number object | |
| Infinity | |
| NaN | |
| BigInt value | |
| BigInt type | |
| BigInt object | |
| Symbol value | |
| Symbol type | |
| Symbol object | |
| function | |
| built-in function | |
| property | |
| method | |
| built-in method | |
| attribute | |
| own property | |
| inherited property | |
| Organization of This Specification | |
| Notational Conventions | |
| Syntactic and Lexical Grammars | |
| Context-Free Grammars | |
| The Lexical and RegExp Grammars | |
| The Numeric String Grammar | |
| The Syntactic Grammar | |
| Grammar Notation | |
| Algorithm Conventions | |
| Abstract Operations | |
| Syntax-Directed Operations | |
| Runtime Semantics | |
| Implicit Completion Values | |
| Throw an Exception | |
| ReturnIfAbrupt | |
| ReturnIfAbrupt Shorthands | |
| Static Semantics | |
| Mathematical Operations | |
| Value Notation | |
| ECMAScript Data Types and Values | |
| ECMAScript Language Types | |
| The Undefined Type | |
| The Null Type | |
| The Boolean Type | |
| The String Type | |
| StringIndexOf ( string, searchValue, fromIndex ) | |
| The Symbol Type | |
| Well-Known Symbols | |
| Numeric Types | |
| The Number Type | |
| Number::unaryMinus ( x ) | |
| Number::bitwiseNOT ( x ) | |
| Number::exponentiate ( base, exponent ) | |
| Number::multiply ( x, y ) | |
| Number::divide ( x, y ) | |
| Number::remainder ( n, d ) | |
| Number::add ( x, y ) | |
| Number::subtract ( x, y ) | |
| Number::leftShift ( x, y ) | |
| Number::signedRightShift ( x, y ) | |
| Number::unsignedRightShift ( x, y ) | |
| Number::lessThan ( x, y ) | |
| Number::equal ( x, y ) | |
| Number::sameValue ( x, y ) | |
| Number::sameValueZero ( x, y ) | |
| NumberBitwiseOp ( op, x, y ) | |
| Number::bitwiseAND ( x, y ) | |
| Number::bitwiseXOR ( x, y ) | |
| Number::bitwiseOR ( x, y ) | |
| Number::toString ( x ) | |
| The BigInt Type | |
| BigInt::unaryMinus ( x ) | |
| BigInt::bitwiseNOT ( x ) | |
| BigInt::exponentiate ( base, exponent ) | |
| BigInt::multiply ( x, y ) | |
| BigInt::divide ( x, y ) | |
| BigInt::remainder ( n, d ) | |
| BigInt::add ( x, y ) | |
| BigInt::subtract ( x, y ) | |
| BigInt::leftShift ( x, y ) | |
| BigInt::signedRightShift ( x, y ) | |
| BigInt::unsignedRightShift ( x, y ) | |
| BigInt::lessThan ( x, y ) | |
| BigInt::equal ( x, y ) | |
| BigInt::sameValue ( x, y ) | |
| BigInt::sameValueZero ( x, y ) | |
| BinaryAnd ( x, y ) | |
| BinaryOr ( x, y ) | |
| BinaryXor ( x, y ) | |
| BigIntBitwiseOp ( op, x, y ) | |
| BigInt::bitwiseAND ( x, y ) | |
| BigInt::bitwiseXOR ( x, y ) | |
| BigInt::bitwiseOR ( x, y ) | |
| BigInt::toString ( x ) | |
| The Object Type | |
| Property Attributes | |
| Object Internal Methods and Internal Slots | |
| Invariants of the Essential Internal Methods | |
| Well-Known Intrinsic Objects | |
| ECMAScript Specification Types | |
| The List and Record Specification Types | |
| The Set and Relation Specification Types | |
| The Completion Record Specification Type | |
| Await | |
| Await Fulfilled Functions | |
| Await Rejected Functions | |
| NormalCompletion | |
| ThrowCompletion | |
| UpdateEmpty ( completionRecord, value ) | |
| The Reference Record Specification Type | |
| IsPropertyReference ( V ) | |
| IsUnresolvableReference ( V ) | |
| IsSuperReference ( V ) | |
| GetValue ( V ) | |
| PutValue ( V, W ) | |
| GetThisValue ( V ) | |
| InitializeReferencedBinding ( V, W ) | |
| The Property Descriptor Specification Type | |
| IsAccessorDescriptor ( Desc ) | |
| IsDataDescriptor ( Desc ) | |
| IsGenericDescriptor ( Desc ) | |
| FromPropertyDescriptor ( Desc ) | |
| ToPropertyDescriptor ( Obj ) | |
| CompletePropertyDescriptor ( Desc ) | |
| The Environment Record Specification Type | |
| The Abstract Closure Specification Type | |
| Data Blocks | |
| CreateByteDataBlock ( size ) | |
| CreateSharedByteDataBlock ( size ) | |
| CopyDataBlockBytes ( toBlock, toIndex, fromBlock, fromIndex, count ) | |
| Abstract Operations | |
| Type Conversion | |
| ToPrimitive ( input [ , preferredType ] ) | |
| OrdinaryToPrimitive ( O, hint ) | |
| ToBoolean ( argument ) | |
| ToNumeric ( value ) | |
| ToNumber ( argument ) | |
| ToNumber Applied to the String Type | |
| Runtime Semantics: MV | |
| ToIntegerOrInfinity ( argument ) | |
| ToInt32 ( argument ) | |
| ToUint32 ( argument ) | |
| ToInt16 ( argument ) | |
| ToUint16 ( argument ) | |
| ToInt8 ( argument ) | |
| ToUint8 ( argument ) | |
| ToUint8Clamp ( argument ) | |
| ToBigInt ( argument ) | |
| StringToBigInt ( argument ) | |
| ToBigInt64 ( argument ) | |
| ToBigUint64 ( argument ) | |
| ToString ( argument ) | |
| ToObject ( argument ) | |
| ToPropertyKey ( argument ) | |
| ToLength ( argument ) | |
| CanonicalNumericIndexString ( argument ) | |
| ToIndex ( value ) | |
| Testing and Comparison Operations | |
| RequireObjectCoercible ( argument ) | |
| IsArray ( argument ) | |
| IsCallable ( argument ) | |
| IsConstructor ( argument ) | |
| IsExtensible ( O ) | |
| IsIntegralNumber ( argument ) | |
| IsPropertyKey ( argument ) | |
| IsRegExp ( argument ) | |
| IsStringPrefix ( p, q ) | |
| SameValue ( x, y ) | |
| SameValueZero ( x, y ) | |
| SameValueNonNumeric ( x, y ) | |
| Abstract Relational Comparison | |
| Abstract Equality Comparison | |
| Strict Equality Comparison | |
| Operations on Objects | |
| MakeBasicObject ( internalSlotsList ) | |
| Get ( O, P ) | |
| GetV ( V, P ) | |
| Set ( O, P, V, Throw ) | |
| CreateDataProperty ( O, P, V ) | |
| CreateMethodProperty ( O, P, V ) | |
| CreateDataPropertyOrThrow ( O, P, V ) | |
| DefinePropertyOrThrow ( O, P, desc ) | |
| DeletePropertyOrThrow ( O, P ) | |
| GetMethod ( V, P ) | |
| HasProperty ( O, P ) | |
| HasOwnProperty ( O, P ) | |
| Call ( F, V [ , argumentsList ] ) | |
| Construct ( F [ , argumentsList [ , newTarget ] ] ) | |
| SetIntegrityLevel ( O, level ) | |
| TestIntegrityLevel ( O, level ) | |
| CreateArrayFromList ( elements ) | |
| LengthOfArrayLike ( obj ) | |
| CreateListFromArrayLike ( obj [ , elementTypes ] ) | |
| Invoke ( V, P [ , argumentsList ] ) | |
| OrdinaryHasInstance ( C, O ) | |
| SpeciesConstructor ( O, defaultConstructor ) | |
| EnumerableOwnPropertyNames ( O, kind ) | |
| GetFunctionRealm ( obj ) | |
| CopyDataProperties ( target, source, excludedItems ) | |
| Operations on Iterator Objects | |
| GetIterator ( obj [ , hint [ , method ] ] ) | |
| IteratorNext ( iteratorRecord [ , value ] ) | |
| IteratorComplete ( iterResult ) | |
| IteratorValue ( iterResult ) | |
| IteratorStep ( iteratorRecord ) | |
| IteratorClose ( iteratorRecord, completion ) | |
| AsyncIteratorClose ( iteratorRecord, completion ) | |
| CreateIterResultObject ( value, done ) | |
| CreateListIteratorRecord ( list ) | |
| IterableToList ( items [ , method ] ) | |
| Syntax-Directed Operations | |
| Scope Analysis | |
| Static Semantics: BoundNames | |
| Static Semantics: DeclarationPart | |
| Static Semantics: IsConstantDeclaration | |
| Static Semantics: LexicallyDeclaredNames | |
| Static Semantics: LexicallyScopedDeclarations | |
| Static Semantics: VarDeclaredNames | |
| Static Semantics: VarScopedDeclarations | |
| Static Semantics: TopLevelLexicallyDeclaredNames | |
| Static Semantics: TopLevelLexicallyScopedDeclarations | |
| Static Semantics: TopLevelVarDeclaredNames | |
| Static Semantics: TopLevelVarScopedDeclarations | |
| Labels | |
| Static Semantics: ContainsDuplicateLabels | |
| Static Semantics: ContainsUndefinedBreakTarget | |
| Static Semantics: ContainsUndefinedContinueTarget | |
| Function Name Inference | |
| Static Semantics: HasName | |
| Static Semantics: IsFunctionDefinition | |
| Static Semantics: IsAnonymousFunctionDefinition ( expr ) | |
| Static Semantics: IsIdentifierRef | |
| Runtime Semantics: NamedEvaluation | |
| Contains | |
| Static Semantics: Contains | |
| Static Semantics: ComputedPropertyContains | |
| Miscellaneous | |
| Runtime Semantics: InstantiateFunctionObject | |
| Runtime Semantics: BindingInitialization | |
| InitializeBoundName ( name, value, environment ) | |
| Runtime Semantics: IteratorBindingInitialization | |
| Static Semantics: AssignmentTargetType | |
| Static Semantics: PropName | |
| Executable Code and Execution Contexts | |
| Environment Records | |
| The Environment Record Type Hierarchy | |
| Declarative Environment Records | |
| HasBinding ( N ) | |
| CreateMutableBinding ( N, D ) | |
| CreateImmutableBinding ( N, S ) | |
| InitializeBinding ( N, V ) | |
| SetMutableBinding ( N, V, S ) | |
| GetBindingValue ( N, S ) | |
| DeleteBinding ( N ) | |
| HasThisBinding ( ) | |
| HasSuperBinding ( ) | |
| WithBaseObject ( ) | |
| Object Environment Records | |
| HasBinding ( N ) | |
| CreateMutableBinding ( N, D ) | |
| CreateImmutableBinding ( N, S ) | |
| InitializeBinding ( N, V ) | |
| SetMutableBinding ( N, V, S ) | |
| GetBindingValue ( N, S ) | |
| DeleteBinding ( N ) | |
| HasThisBinding ( ) | |
| HasSuperBinding ( ) | |
| WithBaseObject ( ) | |
| Function Environment Records | |
| BindThisValue ( V ) | |
| HasThisBinding ( ) | |
| HasSuperBinding ( ) | |
| GetThisBinding ( ) | |
| GetSuperBase ( ) | |
| Global Environment Records | |
| HasBinding ( N ) | |
| CreateMutableBinding ( N, D ) | |
| CreateImmutableBinding ( N, S ) | |
| InitializeBinding ( N, V ) | |
| SetMutableBinding ( N, V, S ) | |
| GetBindingValue ( N, S ) | |
| DeleteBinding ( N ) | |
| HasThisBinding ( ) | |
| HasSuperBinding ( ) | |
| WithBaseObject ( ) | |
| GetThisBinding ( ) | |
| HasVarDeclaration ( N ) | |
| HasLexicalDeclaration ( N ) | |
| HasRestrictedGlobalProperty ( N ) | |
| CanDeclareGlobalVar ( N ) | |
| CanDeclareGlobalFunction ( N ) | |
| CreateGlobalVarBinding ( N, D ) | |
| CreateGlobalFunctionBinding ( N, V, D ) | |
| Module Environment Records | |
| GetBindingValue ( N, S ) | |
| DeleteBinding ( N ) | |
| HasThisBinding ( ) | |
| GetThisBinding ( ) | |
| CreateImportBinding ( N, M, N2 ) | |
| Environment Record Operations | |
| GetIdentifierReference ( env, name, strict ) | |
| NewDeclarativeEnvironment ( E ) | |
| NewObjectEnvironment ( O, W, E ) | |
| NewFunctionEnvironment ( F, newTarget ) | |
| NewGlobalEnvironment ( G, thisValue ) | |
| NewModuleEnvironment ( E ) | |
| Realms | |
| CreateRealm ( ) | |
| CreateIntrinsics ( realmRec ) | |
| SetRealmGlobalObject ( realmRec, globalObj, thisValue ) | |
| SetDefaultGlobalBindings ( realmRec ) | |
| Execution Contexts | |
| GetActiveScriptOrModule ( ) | |
| ResolveBinding ( name [ , env ] ) | |
| GetThisEnvironment ( ) | |
| ResolveThisBinding ( ) | |
| GetNewTarget ( ) | |
| GetGlobalObject ( ) | |
| Jobs and Host Operations to Enqueue Jobs | |
| JobCallback Records | |
| HostMakeJobCallback ( callback ) | |
| HostCallJobCallback ( jobCallback, V, argumentsList ) | |
| HostEnqueuePromiseJob ( job, realm ) | |
| InitializeHostDefinedRealm ( ) | |
| Agents | |
| AgentSignifier ( ) | |
| AgentCanSuspend ( ) | |
| Agent Clusters | |
| Forward Progress | |
| Processing Model of WeakRef and FinalizationRegistry Objects | |
| Objectives | |
| Liveness | |
| Execution | |
| Host Hooks | |
| HostEnqueueFinalizationRegistryCleanupJob ( finalizationRegistry ) | |
| ClearKeptObjects ( ) | |
| AddToKeptObjects ( object ) | |
| CleanupFinalizationRegistry ( finalizationRegistry ) | |
| Ordinary and Exotic Objects Behaviours | |
| Ordinary Object Internal Methods and Internal Slots | |
| [[GetPrototypeOf]] ( ) | |
| OrdinaryGetPrototypeOf ( O ) | |
| [[SetPrototypeOf]] ( V ) | |
| OrdinarySetPrototypeOf ( O, V ) | |
| [[IsExtensible]] ( ) | |
| OrdinaryIsExtensible ( O ) | |
| [[PreventExtensions]] ( ) | |
| OrdinaryPreventExtensions ( O ) | |
| [[GetOwnProperty]] ( P ) | |
| OrdinaryGetOwnProperty ( O, P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| OrdinaryDefineOwnProperty ( O, P, Desc ) | |
| IsCompatiblePropertyDescriptor ( Extensible, Desc, Current ) | |
| ValidateAndApplyPropertyDescriptor ( O, P, extensible, Desc, current ) | |
| [[HasProperty]] ( P ) | |
| OrdinaryHasProperty ( O, P ) | |
| [[Get]] ( P, Receiver ) | |
| OrdinaryGet ( O, P, Receiver ) | |
| [[Set]] ( P, V, Receiver ) | |
| OrdinarySet ( O, P, V, Receiver ) | |
| OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc ) | |
| [[Delete]] ( P ) | |
| OrdinaryDelete ( O, P ) | |
| [[OwnPropertyKeys]] ( ) | |
| OrdinaryOwnPropertyKeys ( O ) | |
| OrdinaryObjectCreate ( proto [ , additionalInternalSlotsList ] ) | |
| OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) | |
| GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto ) | |
| RequireInternalSlot ( O, internalSlot ) | |
| ECMAScript Function Objects | |
| [[Call]] ( thisArgument, argumentsList ) | |
| PrepareForOrdinaryCall ( F, newTarget ) | |
| OrdinaryCallBindThis ( F, calleeContext, thisArgument ) | |
| Runtime Semantics: EvaluateBody | |
| OrdinaryCallEvaluateBody ( F, argumentsList ) | |
| [[Construct]] ( argumentsList, newTarget ) | |
| OrdinaryFunctionCreate ( functionPrototype, sourceText, ParameterList, Body, thisMode, Scope ) | |
| AddRestrictedFunctionProperties ( F, realm ) | |
| %ThrowTypeError% ( ) | |
| MakeConstructor ( F [ , writablePrototype [ , prototype ] ] ) | |
| MakeClassConstructor ( F ) | |
| MakeMethod ( F, homeObject ) | |
| SetFunctionName ( F, name [ , prefix ] ) | |
| SetFunctionLength ( F, length ) | |
| FunctionDeclarationInstantiation ( func, argumentsList ) | |
| Built-in Function Objects | |
| [[Call]] ( thisArgument, argumentsList ) | |
| [[Construct]] ( argumentsList, newTarget ) | |
| CreateBuiltinFunction ( steps, length, name, internalSlotsList [ , realm [ , prototype [ , prefix ] ] ] ) | |
| Built-in Exotic Object Internal Methods and Slots | |
| Bound Function Exotic Objects | |
| [[Call]] ( thisArgument, argumentsList ) | |
| [[Construct]] ( argumentsList, newTarget ) | |
| BoundFunctionCreate ( targetFunction, boundThis, boundArgs ) | |
| Array Exotic Objects | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| ArrayCreate ( length [ , proto ] ) | |
| ArraySpeciesCreate ( originalArray, length ) | |
| ArraySetLength ( A, Desc ) | |
| String Exotic Objects | |
| [[GetOwnProperty]] ( P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| [[OwnPropertyKeys]] ( ) | |
| StringCreate ( value, prototype ) | |
| StringGetOwnProperty ( S, P ) | |
| Arguments Exotic Objects | |
| [[GetOwnProperty]] ( P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| [[Get]] ( P, Receiver ) | |
| [[Set]] ( P, V, Receiver ) | |
| [[Delete]] ( P ) | |
| CreateUnmappedArgumentsObject ( argumentsList ) | |
| CreateMappedArgumentsObject ( func, formals, argumentsList, env ) | |
| MakeArgGetter ( name, env ) | |
| MakeArgSetter ( name, env ) | |
| Integer-Indexed Exotic Objects | |
| [[GetOwnProperty]] ( P ) | |
| [[HasProperty]] ( P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| [[Get]] ( P, Receiver ) | |
| [[Set]] ( P, V, Receiver ) | |
| [[Delete]] ( P ) | |
| [[OwnPropertyKeys]] ( ) | |
| IntegerIndexedObjectCreate ( prototype ) | |
| IsValidIntegerIndex ( O, index ) | |
| IntegerIndexedElementGet ( O, index ) | |
| IntegerIndexedElementSet ( O, index, value ) | |
| Module Namespace Exotic Objects | |
| [[SetPrototypeOf]] ( V ) | |
| [[IsExtensible]] ( ) | |
| [[PreventExtensions]] ( ) | |
| [[GetOwnProperty]] ( P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| [[HasProperty]] ( P ) | |
| [[Get]] ( P, Receiver ) | |
| [[Set]] ( P, V, Receiver ) | |
| [[Delete]] ( P ) | |
| [[OwnPropertyKeys]] ( ) | |
| ModuleNamespaceCreate ( module, exports ) | |
| Immutable Prototype Exotic Objects | |
| [[SetPrototypeOf]] ( V ) | |
| SetImmutablePrototype ( O, V ) | |
| Proxy Object Internal Methods and Internal Slots | |
| [[GetPrototypeOf]] ( ) | |
| [[SetPrototypeOf]] ( V ) | |
| [[IsExtensible]] ( ) | |
| [[PreventExtensions]] ( ) | |
| [[GetOwnProperty]] ( P ) | |
| [[DefineOwnProperty]] ( P, Desc ) | |
| [[HasProperty]] ( P ) | |
| [[Get]] ( P, Receiver ) | |
| [[Set]] ( P, V, Receiver ) | |
| [[Delete]] ( P ) | |
| [[OwnPropertyKeys]] ( ) | |
| [[Call]] ( thisArgument, argumentsList ) | |
| [[Construct]] ( argumentsList, newTarget ) | |
| ProxyCreate ( target, handler ) | |
| ECMAScript Language: Source Code | |
| Source Text | |
| Static Semantics: UTF16EncodeCodePoint ( cp ) | |
| Static Semantics: CodePointsToString ( text ) | |
| Static Semantics: UTF16SurrogatePairToCodePoint ( lead, trail ) | |
| Static Semantics: CodePointAt ( string, position ) | |
| Static Semantics: StringToCodePoints ( string ) | |
| Static Semantics: ParseText ( sourceText, goalSymbol ) | |
| Types of Source Code | |
| Directive Prologues and the Use Strict Directive | |
| Strict Mode Code | |
| Non-ECMAScript Functions | |
| ECMAScript Language: Lexical Grammar | |
| Unicode Format-Control Characters | |
| White Space | |
| Line Terminators | |
| Comments | |
| Tokens | |
| Names and Keywords | |
| Identifier Names | |
| Static Semantics: Early Errors | |
| Keywords and Reserved Words | |
| Punctuators | |
| Literals | |
| Null Literals | |
| Boolean Literals | |
| Numeric Literals | |
| Static Semantics: MV | |
| Static Semantics: NumericValue | |
| String Literals | |
| Static Semantics: SV | |
| Static Semantics: MV | |
| Regular Expression Literals | |
| Static Semantics: Early Errors | |
| Static Semantics: BodyText | |
| Static Semantics: FlagText | |
| Template Literal Lexical Components | |
| Static Semantics: TV and TRV | |
| Automatic Semicolon Insertion | |
| Rules of Automatic Semicolon Insertion | |
| Examples of Automatic Semicolon Insertion | |
| Interesting Cases of Automatic Semicolon Insertion | |
| Interesting Cases of Automatic Semicolon Insertion in Statement Lists | |
| Cases of Automatic Semicolon Insertion and “[no LineTerminator here]” | |
| List of Grammar Productions with Optional Operands and “[no LineTerminator here]” | |
| ECMAScript Language: Expressions | |
| Identifiers | |
| Static Semantics: Early Errors | |
| Static Semantics: StringValue | |
| Runtime Semantics: Evaluation | |
| Primary Expression | |
| The this Keyword | |
| Runtime Semantics: Evaluation | |
| Identifier Reference | |
| Literals | |
| Runtime Semantics: Evaluation | |
| Array Initializer | |
| Runtime Semantics: ArrayAccumulation | |
| Runtime Semantics: Evaluation | |
| Object Initializer | |
| Static Semantics: Early Errors | |
| Static Semantics: IsComputedPropertyKey | |
| Static Semantics: PropertyNameList | |
| Runtime Semantics: Evaluation | |
| Runtime Semantics: PropertyDefinitionEvaluation | |
| Function Defining Expressions | |
| Regular Expression Literals | |
| Static Semantics: Early Errors | |
| Static Semantics: IsValidRegularExpressionLiteral ( literal ) | |
| Runtime Semantics: Evaluation | |
| Template Literals | |
| Static Semantics: Early Errors | |
| Static Semantics: TemplateStrings | |
| GetTemplateObject ( templateLiteral ) | |
| Runtime Semantics: SubstitutionEvaluation | |
| Runtime Semantics: Evaluation | |
| The Grouping Operator | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| Left-Hand-Side Expressions | |
| Static Semantics | |
| Static Semantics: Early Errors | |
| Property Accessors | |
| Runtime Semantics: Evaluation | |
| EvaluatePropertyAccessWithExpressionKey ( baseValue, expression, strict ) | |
| EvaluatePropertyAccessWithIdentifierKey ( baseValue, identifierName, strict ) | |
| The new Operator | |
| Runtime Semantics: Evaluation | |
| EvaluateNew ( constructExpr, arguments ) | |
| Function Calls | |
| Runtime Semantics: Evaluation | |
| EvaluateCall ( func, ref, arguments, tailPosition ) | |
| The super Keyword | |
| Runtime Semantics: Evaluation | |
| GetSuperConstructor ( ) | |
| MakeSuperPropertyReference ( actualThis, propertyKey, strict ) | |
| Argument Lists | |
| Runtime Semantics: ArgumentListEvaluation | |
| Optional Chains | |
| Runtime Semantics: Evaluation | |
| Runtime Semantics: ChainEvaluation | |
| Import Calls | |
| Runtime Semantics: Evaluation | |
| Tagged Templates | |
| Runtime Semantics: Evaluation | |
| Meta Properties | |
| Runtime Semantics: Evaluation | |
| HostGetImportMetaProperties ( moduleRecord ) | |
| HostFinalizeImportMeta ( importMeta, moduleRecord ) | |
| Update Expressions | |
| Static Semantics: Early Errors | |
| Postfix Increment Operator | |
| Runtime Semantics: Evaluation | |
| Postfix Decrement Operator | |
| Runtime Semantics: Evaluation | |
| Prefix Increment Operator | |
| Runtime Semantics: Evaluation | |
| Prefix Decrement Operator | |
| Runtime Semantics: Evaluation | |
| Unary Operators | |
| The delete Operator | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| The void Operator | |
| Runtime Semantics: Evaluation | |
| The typeof Operator | |
| Runtime Semantics: Evaluation | |
| Unary + Operator | |
| Runtime Semantics: Evaluation | |
| Unary - Operator | |
| Runtime Semantics: Evaluation | |
| Bitwise NOT Operator ( ~ ) | |
| Runtime Semantics: Evaluation | |
| Logical NOT Operator ( ! ) | |
| Runtime Semantics: Evaluation | |
| Exponentiation Operator | |
| Runtime Semantics: Evaluation | |
| Multiplicative Operators | |
| Runtime Semantics: Evaluation | |
| Additive Operators | |
| The Addition Operator ( + ) | |
| Runtime Semantics: Evaluation | |
| The Subtraction Operator ( - ) | |
| Runtime Semantics: Evaluation | |
| Bitwise Shift Operators | |
| The Left Shift Operator ( << ) | |
| Runtime Semantics: Evaluation | |
| The Signed Right Shift Operator ( >> ) | |
| Runtime Semantics: Evaluation | |
| The Unsigned Right Shift Operator ( >>> ) | |
| Runtime Semantics: Evaluation | |
| Relational Operators | |
| Runtime Semantics: Evaluation | |
| InstanceofOperator ( V, target ) | |
| Equality Operators | |
| Runtime Semantics: Evaluation | |
| Binary Bitwise Operators | |
| Runtime Semantics: Evaluation | |
| Binary Logical Operators | |
| Runtime Semantics: Evaluation | |
| Conditional Operator ( ? : ) | |
| Runtime Semantics: Evaluation | |
| Assignment Operators | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| ApplyStringOrNumericBinaryOperator ( lval, opText, rval ) | |
| EvaluateStringOrNumericBinaryExpression ( leftOperand, opText, rightOperand ) | |
| Destructuring Assignment | |
| Static Semantics: Early Errors | |
| Runtime Semantics: DestructuringAssignmentEvaluation | |
| Runtime Semantics: PropertyDestructuringAssignmentEvaluation | |
| Runtime Semantics: RestDestructuringAssignmentEvaluation | |
| Runtime Semantics: IteratorDestructuringAssignmentEvaluation | |
| Runtime Semantics: KeyedDestructuringAssignmentEvaluation | |
| Comma Operator ( , ) | |
| Runtime Semantics: Evaluation | |
| ECMAScript Language: Statements and Declarations | |
| Statement Semantics | |
| Runtime Semantics: Evaluation | |
| Block | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| BlockDeclarationInstantiation ( code, env ) | |
| Declarations and the Variable Statement | |
| Let and Const Declarations | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| Variable Statement | |
| Runtime Semantics: Evaluation | |
| Destructuring Binding Patterns | |
| Runtime Semantics: PropertyBindingInitialization | |
| Runtime Semantics: RestBindingInitialization | |
| Runtime Semantics: KeyedBindingInitialization | |
| Empty Statement | |
| Runtime Semantics: Evaluation | |
| Expression Statement | |
| Runtime Semantics: Evaluation | |
| The if Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| Iteration Statements | |
| Semantics | |
| LoopContinues ( completion, labelSet ) | |
| Runtime Semantics: LoopEvaluation | |
| The do-while Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: DoWhileLoopEvaluation | |
| The while Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: WhileLoopEvaluation | |
| The for Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: ForLoopEvaluation | |
| ForBodyEvaluation ( test, increment, stmt, perIterationBindings, labelSet ) | |
| CreatePerIterationEnvironment ( perIterationBindings ) | |
| The for-in, for-of, and for-await-of Statements | |
| Static Semantics: Early Errors | |
| Static Semantics: IsDestructuring | |
| Runtime Semantics: ForDeclarationBindingInitialization | |
| Runtime Semantics: ForDeclarationBindingInstantiation | |
| Runtime Semantics: ForInOfLoopEvaluation | |
| ForIn/OfHeadEvaluation ( uninitializedBoundNames, expr, iterationKind ) | |
| ForIn/OfBodyEvaluation ( lhs, stmt, iteratorRecord, iterationKind, lhsKind, labelSet [ , iteratorKind ] ) | |
| Runtime Semantics: Evaluation | |
| EnumerateObjectProperties ( O ) | |
| For-In Iterator Objects | |
| CreateForInIterator ( object ) | |
| The %ForInIteratorPrototype% Object | |
| %ForInIteratorPrototype%.next ( ) | |
| Properties of For-In Iterator Instances | |
| The continue Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| The break Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| The return Statement | |
| Runtime Semantics: Evaluation | |
| The with Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: Evaluation | |
| The switch Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: CaseBlockEvaluation | |
| CaseClauseIsSelected ( C, input ) | |
| Runtime Semantics: Evaluation | |
| Labelled Statements | |
| Static Semantics: Early Errors | |
| Static Semantics: IsLabelledFunction ( stmt ) | |
| Runtime Semantics: Evaluation | |
| Runtime Semantics: LabelledEvaluation | |
| The throw Statement | |
| Runtime Semantics: Evaluation | |
| The try Statement | |
| Static Semantics: Early Errors | |
| Runtime Semantics: CatchClauseEvaluation | |
| Runtime Semantics: Evaluation | |
| The debugger Statement | |
| Runtime Semantics: Evaluation | |
| ECMAScript Language: Functions and Classes | |
| Parameter Lists | |
| Static Semantics: Early Errors | |
| Static Semantics: ContainsExpression | |
| Static Semantics: IsSimpleParameterList | |
| Static Semantics: HasInitializer | |
| Static Semantics: ExpectedArgumentCount | |
| Function Definitions | |
| Static Semantics: Early Errors | |
| Static Semantics: FunctionBodyContainsUseStrict | |
| Runtime Semantics: EvaluateFunctionBody | |
| Runtime Semantics: InstantiateOrdinaryFunctionObject | |
| Runtime Semantics: InstantiateOrdinaryFunctionExpression | |
| Runtime Semantics: Evaluation | |
| Arrow Function Definitions | |
| Static Semantics: Early Errors | |
| Static Semantics: ConciseBodyContainsUseStrict | |
| Runtime Semantics: EvaluateConciseBody | |
| Runtime Semantics: InstantiateArrowFunctionExpression | |
| Runtime Semantics: Evaluation | |
| Method Definitions | |
| Static Semantics: Early Errors | |
| Static Semantics: HasDirectSuper | |
| Static Semantics: SpecialMethod | |
| Runtime Semantics: DefineMethod | |
| Runtime Semantics: MethodDefinitionEvaluation | |
| Generator Function Definitions | |
| Static Semantics: Early Errors | |
| Runtime Semantics: EvaluateGeneratorBody | |
| Runtime Semantics: InstantiateGeneratorFunctionObject | |
| Runtime Semantics: InstantiateGeneratorFunctionExpression | |
| Runtime Semantics: Evaluation | |
| Async Generator Function Definitions | |
| Static Semantics: Early Errors | |
| Runtime Semantics: EvaluateAsyncGeneratorBody | |
| Runtime Semantics: InstantiateAsyncGeneratorFunctionObject | |
| Runtime Semantics: InstantiateAsyncGeneratorFunctionExpression | |
| Runtime Semantics: Evaluation | |
| Class Definitions | |
| Static Semantics: Early Errors | |
| Static Semantics: ClassElementKind | |
| Static Semantics: ConstructorMethod | |
| Static Semantics: IsStatic | |
| Static Semantics: NonConstructorMethodDefinitions | |
| Static Semantics: PrototypePropertyNameList | |
| Runtime Semantics: ClassDefinitionEvaluation | |
| Default Constructor Functions | |
| Runtime Semantics: BindingClassDeclarationEvaluation | |
| Runtime Semantics: Evaluation | |
| Async Function Definitions | |
| Static Semantics: Early Errors | |
| Runtime Semantics: InstantiateAsyncFunctionObject | |
| Runtime Semantics: InstantiateAsyncFunctionExpression | |
| Runtime Semantics: EvaluateAsyncFunctionBody | |
| Runtime Semantics: Evaluation | |
| Async Arrow Function Definitions | |
| Static Semantics: Early Errors | |
| Static Semantics: AsyncConciseBodyContainsUseStrict | |
| Runtime Semantics: EvaluateAsyncConciseBody | |
| Runtime Semantics: InstantiateAsyncArrowFunctionExpression | |
| Runtime Semantics: Evaluation | |
| Tail Position Calls | |
| Static Semantics: IsInTailPosition ( call ) | |
| Static Semantics: HasCallInTailPosition | |
| Statement Rules | |
| Expression Rules | |
| PrepareForTailCall ( ) | |
| ECMAScript Language: Scripts and Modules | |
| Scripts | |
| Static Semantics: Early Errors | |
| Static Semantics: IsStrict | |
| Runtime Semantics: Evaluation | |
| Script Records | |
| ParseScript ( sourceText, realm, hostDefined ) | |
| ScriptEvaluation ( scriptRecord ) | |
| GlobalDeclarationInstantiation ( script, env ) | |
| Modules | |
| Module Semantics | |
| Static Semantics: Early Errors | |
| Static Semantics: ImportedLocalNames ( importEntries ) | |
| Static Semantics: ModuleRequests | |
| Abstract Module Records | |
| Cyclic Module Records | |
| Link ( ) Concrete Method | |
| InnerModuleLinking ( module, stack, index ) | |
| Evaluate ( ) Concrete Method | |
| InnerModuleEvaluation ( module, stack, index ) | |
| Example Cyclic Module Record Graphs | |
| Source Text Module Records | |
| ParseModule ( sourceText, realm, hostDefined ) | |
| GetExportedNames ( [ exportStarSet ] ) Concrete Method | |
| ResolveExport ( exportName [ , resolveSet ] ) Concrete Method | |
| InitializeEnvironment ( ) Concrete Method | |
| ExecuteModule ( ) Concrete Method | |
| HostResolveImportedModule ( referencingScriptOrModule, specifier ) | |
| HostImportModuleDynamically ( referencingScriptOrModule, specifier, promiseCapability ) | |
| FinishDynamicImport ( referencingScriptOrModule, specifier, promiseCapability, completion ) | |
| GetModuleNamespace ( module ) | |
| Runtime Semantics: Evaluation | |
| Imports | |
| Static Semantics: Early Errors | |
| Static Semantics: ImportEntries | |
| Static Semantics: ImportEntriesForModule | |
| Exports | |
| Static Semantics: Early Errors | |
| Static Semantics: ExportedBindings | |
| Static Semantics: ExportedNames | |
| Static Semantics: ExportEntries | |
| Static Semantics: ExportEntriesForModule | |
| Static Semantics: ReferencedBindings | |
| Runtime Semantics: Evaluation | |
| Error Handling and Language Extensions | |
| Forbidden Extensions | |
| ECMAScript Standard Built-in Objects | |
| The Global Object | |
| Value Properties of the Global Object | |
| globalThis | |
| Infinity | |
| NaN | |
| undefined | |
| Function Properties of the Global Object | |
| eval ( x ) | |
| PerformEval ( x, callerRealm, strictCaller, direct ) | |
| HostEnsureCanCompileStrings ( callerRealm, calleeRealm ) | |
| EvalDeclarationInstantiation ( body, varEnv, lexEnv, strict ) | |
| isFinite ( number ) | |
| isNaN ( number ) | |
| parseFloat ( string ) | |
| parseInt ( string, radix ) | |
| URI Handling Functions | |
| URI Syntax and Semantics | |
| Encode ( string, unescapedSet ) | |
| Decode ( string, reservedSet ) | |
| decodeURI ( encodedURI ) | |
| decodeURIComponent ( encodedURIComponent ) | |
| encodeURI ( uri ) | |
| encodeURIComponent ( uriComponent ) | |
| Constructor Properties of the Global Object | |
| Array ( . . . ) | |
| ArrayBuffer ( . . . ) | |
| BigInt ( . . . ) | |
| BigInt64Array ( . . . ) | |
| BigUint64Array ( . . . ) | |
| Boolean ( . . . ) | |
| DataView ( . . . ) | |
| Date ( . . . ) | |
| Error ( . . . ) | |
| EvalError ( . . . ) | |
| FinalizationRegistry ( . . . ) | |
| Float32Array ( . . . ) | |
| Float64Array ( . . . ) | |
| Function ( . . . ) | |
| Int8Array ( . . . ) | |
| Int16Array ( . . . ) | |
| Int32Array ( . . . ) | |
| Map ( . . . ) | |
| Number ( . . . ) | |
| Object ( . . . ) | |
| Promise ( . . . ) | |
| Proxy ( . . . ) | |
| RangeError ( . . . ) | |
| ReferenceError ( . . . ) | |
| RegExp ( . . . ) | |
| Set ( . . . ) | |
| SharedArrayBuffer ( . . . ) | |
| String ( . . . ) | |
| Symbol ( . . . ) | |
| SyntaxError ( . . . ) | |
| TypeError ( . . . ) | |
| Uint8Array ( . . . ) | |
| Uint8ClampedArray ( . . . ) | |
| Uint16Array ( . . . ) | |
| Uint32Array ( . . . ) | |
| URIError ( . . . ) | |
| WeakMap ( . . . ) | |
| WeakRef ( . . . ) | |
| WeakSet ( . . . ) | |
| Other Properties of the Global Object | |
| Atomics | |
| JSON | |
| Math | |
| Reflect | |
| Fundamental Objects | |
| Object Objects | |
| The Object Constructor | |
| Object ( [ value ] ) | |
| Properties of the Object Constructor | |
| Object.assign ( target, ...sources ) | |
| Object.create ( O, Properties ) | |
| Object.defineProperties ( O, Properties ) | |
| ObjectDefineProperties ( O, Properties ) | |
| Object.defineProperty ( O, P, Attributes ) | |
| Object.entries ( O ) | |
| Object.freeze ( O ) | |
| Object.fromEntries ( iterable ) | |
| CreateDataPropertyOnObject Functions | |
| Object.getOwnPropertyDescriptor ( O, P ) | |
| Object.getOwnPropertyDescriptors ( O ) | |
| Object.getOwnPropertyNames ( O ) | |
| Object.getOwnPropertySymbols ( O ) | |
| GetOwnPropertyKeys ( O, type ) | |
| Object.getPrototypeOf ( O ) | |
| Object.is ( value1, value2 ) | |
| Object.isExtensible ( O ) | |
| Object.isFrozen ( O ) | |
| Object.isSealed ( O ) | |
| Object.keys ( O ) | |
| Object.preventExtensions ( O ) | |
| Object.prototype | |
| Object.seal ( O ) | |
| Object.setPrototypeOf ( O, proto ) | |
| Object.values ( O ) | |
| Properties of the Object Prototype Object | |
| Object.prototype.constructor | |
| Object.prototype.hasOwnProperty ( V ) | |
| Object.prototype.isPrototypeOf ( V ) | |
| Object.prototype.propertyIsEnumerable ( V ) | |
| Object.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| Object.prototype.toString ( ) | |
| Object.prototype.valueOf ( ) | |
| Properties of Object Instances | |
| Function Objects | |
| The Function Constructor | |
| Function ( p1, p2, … , pn, body ) | |
| CreateDynamicFunction ( constructor, newTarget, kind, args ) | |
| Properties of the Function Constructor | |
| Function.length | |
| Function.prototype | |
| Properties of the Function Prototype Object | |
| Function.prototype.apply ( thisArg, argArray ) | |
| Function.prototype.bind ( thisArg, ...args ) | |
| Function.prototype.call ( thisArg, ...args ) | |
| Function.prototype.constructor | |
| Function.prototype.toString ( ) | |
| Function.prototype [ @@hasInstance ] ( V ) | |
| Function Instances | |
| length | |
| name | |
| prototype | |
| HostHasSourceTextAvailable ( func ) | |
| Boolean Objects | |
| The Boolean Constructor | |
| Boolean ( value ) | |
| Properties of the Boolean Constructor | |
| Boolean.prototype | |
| Properties of the Boolean Prototype Object | |
| Boolean.prototype.constructor | |
| Boolean.prototype.toString ( ) | |
| Boolean.prototype.valueOf ( ) | |
| Properties of Boolean Instances | |
| Symbol Objects | |
| The Symbol Constructor | |
| Symbol ( [ description ] ) | |
| Properties of the Symbol Constructor | |
| Symbol.asyncIterator | |
| Symbol.for ( key ) | |
| Symbol.hasInstance | |
| Symbol.isConcatSpreadable | |
| Symbol.iterator | |
| Symbol.keyFor ( sym ) | |
| Symbol.match | |
| Symbol.matchAll | |
| Symbol.prototype | |
| Symbol.replace | |
| Symbol.search | |
| Symbol.species | |
| Symbol.split | |
| Symbol.toPrimitive | |
| Symbol.toStringTag | |
| Symbol.unscopables | |
| Properties of the Symbol Prototype Object | |
| Symbol.prototype.constructor | |
| get Symbol.prototype.description | |
| Symbol.prototype.toString ( ) | |
| SymbolDescriptiveString ( sym ) | |
| Symbol.prototype.valueOf ( ) | |
| Symbol.prototype [ @@toPrimitive ] ( hint ) | |
| Symbol.prototype [ @@toStringTag ] | |
| Properties of Symbol Instances | |
| Error Objects | |
| The Error Constructor | |
| Error ( message ) | |
| Properties of the Error Constructor | |
| Error.prototype | |
| Properties of the Error Prototype Object | |
| Error.prototype.constructor | |
| Error.prototype.message | |
| Error.prototype.name | |
| Error.prototype.toString ( ) | |
| Properties of Error Instances | |
| Native Error Types Used in This Standard | |
| EvalError | |
| RangeError | |
| ReferenceError | |
| SyntaxError | |
| TypeError | |
| URIError | |
| NativeError Object Structure | |
| The NativeError Constructors | |
| NativeError ( message ) | |
| Properties of the NativeError Constructors | |
| NativeError.prototype | |
| Properties of the NativeError Prototype Objects | |
| NativeError.prototype.constructor | |
| NativeError.prototype.message | |
| NativeError.prototype.name | |
| Properties of NativeError Instances | |
| AggregateError Objects | |
| The AggregateError Constructor | |
| AggregateError ( errors, message ) | |
| Properties of the AggregateError Constructor | |
| AggregateError.prototype | |
| Properties of the AggregateError Prototype Object | |
| AggregateError.prototype.constructor | |
| AggregateError.prototype.message | |
| AggregateError.prototype.name | |
| Properties of AggregateError Instances | |
| Numbers and Dates | |
| Number Objects | |
| The Number Constructor | |
| Number ( value ) | |
| Properties of the Number Constructor | |
| Number.EPSILON | |
| Number.isFinite ( number ) | |
| Number.isInteger ( number ) | |
| Number.isNaN ( number ) | |
| Number.isSafeInteger ( number ) | |
| Number.MAX_SAFE_INTEGER | |
| Number.MAX_VALUE | |
| Number.MIN_SAFE_INTEGER | |
| Number.MIN_VALUE | |
| Number.NaN | |
| Number.NEGATIVE_INFINITY | |
| Number.parseFloat ( string ) | |
| Number.parseInt ( string, radix ) | |
| Number.POSITIVE_INFINITY | |
| Number.prototype | |
| Properties of the Number Prototype Object | |
| Number.prototype.constructor | |
| Number.prototype.toExponential ( fractionDigits ) | |
| Number.prototype.toFixed ( fractionDigits ) | |
| Number.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| Number.prototype.toPrecision ( precision ) | |
| Number.prototype.toString ( [ radix ] ) | |
| Number.prototype.valueOf ( ) | |
| Properties of Number Instances | |
| BigInt Objects | |
| The BigInt Constructor | |
| BigInt ( value ) | |
| NumberToBigInt ( number ) | |
| Properties of the BigInt Constructor | |
| BigInt.asIntN ( bits, bigint ) | |
| BigInt.asUintN ( bits, bigint ) | |
| BigInt.prototype | |
| Properties of the BigInt Prototype Object | |
| BigInt.prototype.constructor | |
| BigInt.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| BigInt.prototype.toString ( [ radix ] ) | |
| BigInt.prototype.valueOf ( ) | |
| BigInt.prototype [ @@toStringTag ] | |
| The Math Object | |
| Value Properties of the Math Object | |
| Math.E | |
| Math.LN10 | |
| Math.LN2 | |
| Math.LOG10E | |
| Math.LOG2E | |
| Math.PI | |
| Math.SQRT1_2 | |
| Math.SQRT2 | |
| Math [ @@toStringTag ] | |
| Function Properties of the Math Object | |
| Math.abs ( x ) | |
| Math.acos ( x ) | |
| Math.acosh ( x ) | |
| Math.asin ( x ) | |
| Math.asinh ( x ) | |
| Math.atan ( x ) | |
| Math.atanh ( x ) | |
| Math.atan2 ( y, x ) | |
| Math.cbrt ( x ) | |
| Math.ceil ( x ) | |
| Math.clz32 ( x ) | |
| Math.cos ( x ) | |
| Math.cosh ( x ) | |
| Math.exp ( x ) | |
| Math.expm1 ( x ) | |
| Math.floor ( x ) | |
| Math.fround ( x ) | |
| Math.hypot ( ...args ) | |
| Math.imul ( x, y ) | |
| Math.log ( x ) | |
| Math.log1p ( x ) | |
| Math.log10 ( x ) | |
| Math.log2 ( x ) | |
| Math.max ( ...args ) | |
| Math.min ( ...args ) | |
| Math.pow ( base, exponent ) | |
| Math.random ( ) | |
| Math.round ( x ) | |
| Math.sign ( x ) | |
| Math.sin ( x ) | |
| Math.sinh ( x ) | |
| Math.sqrt ( x ) | |
| Math.tan ( x ) | |
| Math.tanh ( x ) | |
| Math.trunc ( x ) | |
| Date Objects | |
| Overview of Date Objects and Definitions of Abstract Operations | |
| Time Values and Time Range | |
| Day Number and Time within Day | |
| Year Number | |
| Month Number | |
| Date Number | |
| Week Day | |
| LocalTZA ( t, isUTC ) | |
| LocalTime ( t ) | |
| UTC ( t ) | |
| Hours, Minutes, Second, and Milliseconds | |
| MakeTime ( hour, min, sec, ms ) | |
| MakeDay ( year, month, date ) | |
| MakeDate ( day, time ) | |
| TimeClip ( time ) | |
| Date Time String Format | |
| Expanded Years | |
| The Date Constructor | |
| Date ( ...values ) | |
| Properties of the Date Constructor | |
| Date.now ( ) | |
| Date.parse ( string ) | |
| Date.prototype | |
| Date.UTC ( year [ , month [ , date [ , hours [ , minutes [ , seconds [ , ms ] ] ] ] ] ] ) | |
| Properties of the Date Prototype Object | |
| Date.prototype.constructor | |
| Date.prototype.getDate ( ) | |
| Date.prototype.getDay ( ) | |
| Date.prototype.getFullYear ( ) | |
| Date.prototype.getHours ( ) | |
| Date.prototype.getMilliseconds ( ) | |
| Date.prototype.getMinutes ( ) | |
| Date.prototype.getMonth ( ) | |
| Date.prototype.getSeconds ( ) | |
| Date.prototype.getTime ( ) | |
| Date.prototype.getTimezoneOffset ( ) | |
| Date.prototype.getUTCDate ( ) | |
| Date.prototype.getUTCDay ( ) | |
| Date.prototype.getUTCFullYear ( ) | |
| Date.prototype.getUTCHours ( ) | |
| Date.prototype.getUTCMilliseconds ( ) | |
| Date.prototype.getUTCMinutes ( ) | |
| Date.prototype.getUTCMonth ( ) | |
| Date.prototype.getUTCSeconds ( ) | |
| Date.prototype.setDate ( date ) | |
| Date.prototype.setFullYear ( year [ , month [ , date ] ] ) | |
| Date.prototype.setHours ( hour [ , min [ , sec [ , ms ] ] ] ) | |
| Date.prototype.setMilliseconds ( ms ) | |
| Date.prototype.setMinutes ( min [ , sec [ , ms ] ] ) | |
| Date.prototype.setMonth ( month [ , date ] ) | |
| Date.prototype.setSeconds ( sec [ , ms ] ) | |
| Date.prototype.setTime ( time ) | |
| Date.prototype.setUTCDate ( date ) | |
| Date.prototype.setUTCFullYear ( year [ , month [ , date ] ] ) | |
| Date.prototype.setUTCHours ( hour [ , min [ , sec [ , ms ] ] ] ) | |
| Date.prototype.setUTCMilliseconds ( ms ) | |
| Date.prototype.setUTCMinutes ( min [ , sec [ , ms ] ] ) | |
| Date.prototype.setUTCMonth ( month [ , date ] ) | |
| Date.prototype.setUTCSeconds ( sec [ , ms ] ) | |
| Date.prototype.toDateString ( ) | |
| Date.prototype.toISOString ( ) | |
| Date.prototype.toJSON ( key ) | |
| Date.prototype.toLocaleDateString ( [ reserved1 [ , reserved2 ] ] ) | |
| Date.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| Date.prototype.toLocaleTimeString ( [ reserved1 [ , reserved2 ] ] ) | |
| Date.prototype.toString ( ) | |
| TimeString ( tv ) | |
| DateString ( tv ) | |
| TimeZoneString ( tv ) | |
| ToDateString ( tv ) | |
| Date.prototype.toTimeString ( ) | |
| Date.prototype.toUTCString ( ) | |
| Date.prototype.valueOf ( ) | |
| Date.prototype [ @@toPrimitive ] ( hint ) | |
| Properties of Date Instances | |
| Text Processing | |
| String Objects | |
| The String Constructor | |
| String ( value ) | |
| Properties of the String Constructor | |
| String.fromCharCode ( ...codeUnits ) | |
| String.fromCodePoint ( ...codePoints ) | |
| String.prototype | |
| String.raw ( template, ...substitutions ) | |
| Properties of the String Prototype Object | |
| String.prototype.charAt ( pos ) | |
| String.prototype.charCodeAt ( pos ) | |
| String.prototype.codePointAt ( pos ) | |
| String.prototype.concat ( ...args ) | |
| String.prototype.constructor | |
| String.prototype.endsWith ( searchString [ , endPosition ] ) | |
| String.prototype.includes ( searchString [ , position ] ) | |
| String.prototype.indexOf ( searchString [ , position ] ) | |
| String.prototype.lastIndexOf ( searchString [ , position ] ) | |
| String.prototype.localeCompare ( that [ , reserved1 [ , reserved2 ] ] ) | |
| String.prototype.match ( regexp ) | |
| String.prototype.matchAll ( regexp ) | |
| String.prototype.normalize ( [ form ] ) | |
| String.prototype.padEnd ( maxLength [ , fillString ] ) | |
| String.prototype.padStart ( maxLength [ , fillString ] ) | |
| StringPad ( O, maxLength, fillString, placement ) | |
| String.prototype.repeat ( count ) | |
| String.prototype.replace ( searchValue, replaceValue ) | |
| GetSubstitution ( matched, str, position, captures, namedCaptures, replacement ) | |
| String.prototype.replaceAll ( searchValue, replaceValue ) | |
| String.prototype.search ( regexp ) | |
| String.prototype.slice ( start, end ) | |
| String.prototype.split ( separator, limit ) | |
| SplitMatch ( S, q, R ) | |
| String.prototype.startsWith ( searchString [ , position ] ) | |
| String.prototype.substring ( start, end ) | |
| String.prototype.toLocaleLowerCase ( [ reserved1 [ , reserved2 ] ] ) | |
| String.prototype.toLocaleUpperCase ( [ reserved1 [ , reserved2 ] ] ) | |
| String.prototype.toLowerCase ( ) | |
| String.prototype.toString ( ) | |
| String.prototype.toUpperCase ( ) | |
| String.prototype.trim ( ) | |
| TrimString ( string, where ) | |
| String.prototype.trimEnd ( ) | |
| String.prototype.trimStart ( ) | |
| String.prototype.valueOf ( ) | |
| String.prototype [ @@iterator ] ( ) | |
| Properties of String Instances | |
| length | |
| String Iterator Objects | |
| The %StringIteratorPrototype% Object | |
| %StringIteratorPrototype%.next ( ) | |
| %StringIteratorPrototype% [ @@toStringTag ] | |
| RegExp (Regular Expression) Objects | |
| Patterns | |
| Static Semantics: Early Errors | |
| Static Semantics: CapturingGroupNumber | |
| Static Semantics: IsCharacterClass | |
| Static Semantics: CharacterValue | |
| Static Semantics: SourceText | |
| Static Semantics: CapturingGroupName | |
| Pattern Semantics | |
| Notation | |
| Pattern | |
| Disjunction | |
| Alternative | |
| Term | |
| RepeatMatcher ( m, min, max, greedy, x, c, parenIndex, parenCount ) | |
| Assertion | |
| IsWordChar ( e ) | |
| Quantifier | |
| Atom | |
| CharacterSetMatcher ( A, invert, direction ) | |
| Canonicalize ( ch ) | |
| UnicodeMatchProperty ( p ) | |
| UnicodeMatchPropertyValue ( p, v ) | |
| AtomEscape | |
| BackreferenceMatcher ( n, direction ) | |
| CharacterEscape | |
| DecimalEscape | |
| CharacterClassEscape | |
| CharacterClass | |
| ClassRanges | |
| NonemptyClassRanges | |
| CharacterRange ( A, B ) | |
| NonemptyClassRangesNoDash | |
| ClassAtom | |
| ClassAtomNoDash | |
| ClassEscape | |
| The RegExp Constructor | |
| RegExp ( pattern, flags ) | |
| Abstract Operations for the RegExp Constructor | |
| RegExpAlloc ( newTarget ) | |
| RegExpInitialize ( obj, pattern, flags ) | |
| Static Semantics: ParsePattern ( patternText, u ) | |
| RegExpCreate ( P, F ) | |
| EscapeRegExpPattern ( P, F ) | |
| Properties of the RegExp Constructor | |
| RegExp.prototype | |
| get RegExp [ @@species ] | |
| Properties of the RegExp Prototype Object | |
| RegExp.prototype.constructor | |
| RegExp.prototype.exec ( string ) | |
| RegExpExec ( R, S ) | |
| RegExpBuiltinExec ( R, S ) | |
| AdvanceStringIndex ( S, index, unicode ) | |
| get RegExp.prototype.dotAll | |
| RegExpHasFlag ( R, codeUnit ) | |
| get RegExp.prototype.flags | |
| get RegExp.prototype.global | |
| get RegExp.prototype.ignoreCase | |
| RegExp.prototype [ @@match ] ( string ) | |
| RegExp.prototype [ @@matchAll ] ( string ) | |
| get RegExp.prototype.multiline | |
| RegExp.prototype [ @@replace ] ( string, replaceValue ) | |
| RegExp.prototype [ @@search ] ( string ) | |
| get RegExp.prototype.source | |
| RegExp.prototype [ @@split ] ( string, limit ) | |
| get RegExp.prototype.sticky | |
| RegExp.prototype.test ( S ) | |
| RegExp.prototype.toString ( ) | |
| get RegExp.prototype.unicode | |
| Properties of RegExp Instances | |
| lastIndex | |
| RegExp String Iterator Objects | |
| CreateRegExpStringIterator ( R, S, global, fullUnicode ) | |
| The %RegExpStringIteratorPrototype% Object | |
| %RegExpStringIteratorPrototype%.next ( ) | |
| %RegExpStringIteratorPrototype% [ @@toStringTag ] | |
| Indexed Collections | |
| Array Objects | |
| The Array Constructor | |
| Array ( ...values ) | |
| Properties of the Array Constructor | |
| Array.from ( items [ , mapfn [ , thisArg ] ] ) | |
| Array.isArray ( arg ) | |
| Array.of ( ...items ) | |
| Array.prototype | |
| get Array [ @@species ] | |
| Properties of the Array Prototype Object | |
| Array.prototype.concat ( ...items ) | |
| IsConcatSpreadable ( O ) | |
| Array.prototype.constructor | |
| Array.prototype.copyWithin ( target, start [ , end ] ) | |
| Array.prototype.entries ( ) | |
| Array.prototype.every ( callbackfn [ , thisArg ] ) | |
| Array.prototype.fill ( value [ , start [ , end ] ] ) | |
| Array.prototype.filter ( callbackfn [ , thisArg ] ) | |
| Array.prototype.find ( predicate [ , thisArg ] ) | |
| Array.prototype.findIndex ( predicate [ , thisArg ] ) | |
| Array.prototype.flat ( [ depth ] ) | |
| FlattenIntoArray ( target, source, sourceLen, start, depth [ , mapperFunction, thisArg ] ) | |
| Array.prototype.flatMap ( mapperFunction [ , thisArg ] ) | |
| Array.prototype.forEach ( callbackfn [ , thisArg ] ) | |
| Array.prototype.includes ( searchElement [ , fromIndex ] ) | |
| Array.prototype.indexOf ( searchElement [ , fromIndex ] ) | |
| Array.prototype.join ( separator ) | |
| Array.prototype.keys ( ) | |
| Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) | |
| Array.prototype.map ( callbackfn [ , thisArg ] ) | |
| Array.prototype.pop ( ) | |
| Array.prototype.push ( ...items ) | |
| Array.prototype.reduce ( callbackfn [ , initialValue ] ) | |
| Array.prototype.reduceRight ( callbackfn [ , initialValue ] ) | |
| Array.prototype.reverse ( ) | |
| Array.prototype.shift ( ) | |
| Array.prototype.slice ( start, end ) | |
| Array.prototype.some ( callbackfn [ , thisArg ] ) | |
| Array.prototype.sort ( comparefn ) | |
| SortCompare ( x, y ) | |
| Array.prototype.splice ( start, deleteCount, ...items ) | |
| Array.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| Array.prototype.toString ( ) | |
| Array.prototype.unshift ( ...items ) | |
| Array.prototype.values ( ) | |
| Array.prototype [ @@iterator ] ( ) | |
| Array.prototype [ @@unscopables ] | |
| Properties of Array Instances | |
| length | |
| Array Iterator Objects | |
| CreateArrayIterator ( array, kind ) | |
| The %ArrayIteratorPrototype% Object | |
| %ArrayIteratorPrototype%.next ( ) | |
| %ArrayIteratorPrototype% [ @@toStringTag ] | |
| TypedArray Objects | |
| The %TypedArray% Intrinsic Object | |
| %TypedArray% ( ) | |
| Properties of the %TypedArray% Intrinsic Object | |
| %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] ) | |
| %TypedArray%.of ( ...items ) | |
| %TypedArray%.prototype | |
| get %TypedArray% [ @@species ] | |
| Properties of the %TypedArray% Prototype Object | |
| get %TypedArray%.prototype.buffer | |
| get %TypedArray%.prototype.byteLength | |
| get %TypedArray%.prototype.byteOffset | |
| %TypedArray%.prototype.constructor | |
| %TypedArray%.prototype.copyWithin ( target, start [ , end ] ) | |
| %TypedArray%.prototype.entries ( ) | |
| %TypedArray%.prototype.every ( callbackfn [ , thisArg ] ) | |
| %TypedArray%.prototype.fill ( value [ , start [ , end ] ] ) | |
| %TypedArray%.prototype.filter ( callbackfn [ , thisArg ] ) | |
| %TypedArray%.prototype.find ( predicate [ , thisArg ] ) | |
| %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] ) | |
| %TypedArray%.prototype.forEach ( callbackfn [ , thisArg ] ) | |
| %TypedArray%.prototype.includes ( searchElement [ , fromIndex ] ) | |
| %TypedArray%.prototype.indexOf ( searchElement [ , fromIndex ] ) | |
| %TypedArray%.prototype.join ( separator ) | |
| %TypedArray%.prototype.keys ( ) | |
| %TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) | |
| get %TypedArray%.prototype.length | |
| %TypedArray%.prototype.map ( callbackfn [ , thisArg ] ) | |
| %TypedArray%.prototype.reduce ( callbackfn [ , initialValue ] ) | |
| %TypedArray%.prototype.reduceRight ( callbackfn [ , initialValue ] ) | |
| %TypedArray%.prototype.reverse ( ) | |
| %TypedArray%.prototype.set ( source [ , offset ] ) | |
| SetTypedArrayFromTypedArray ( target, targetOffset, source ) | |
| SetTypedArrayFromArrayLike ( target, targetOffset, source ) | |
| %TypedArray%.prototype.slice ( start, end ) | |
| %TypedArray%.prototype.some ( callbackfn [ , thisArg ] ) | |
| %TypedArray%.prototype.sort ( comparefn ) | |
| %TypedArray%.prototype.subarray ( begin, end ) | |
| %TypedArray%.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] ) | |
| %TypedArray%.prototype.toString ( ) | |
| %TypedArray%.prototype.values ( ) | |
| %TypedArray%.prototype [ @@iterator ] ( ) | |
| get %TypedArray%.prototype [ @@toStringTag ] | |
| Abstract Operations for TypedArray Objects | |
| TypedArraySpeciesCreate ( exemplar, argumentList ) | |
| TypedArrayCreate ( constructor, argumentList ) | |
| ValidateTypedArray ( O ) | |
| The TypedArray Constructors | |
| TypedArray ( ...args ) | |
| AllocateTypedArray ( constructorName, newTarget, defaultProto [ , length ] ) | |
| InitializeTypedArrayFromTypedArray ( O, srcArray ) | |
| InitializeTypedArrayFromArrayBuffer ( O, buffer, byteOffset, length ) | |
| InitializeTypedArrayFromList ( O, values ) | |
| InitializeTypedArrayFromArrayLike ( O, arrayLike ) | |
| AllocateTypedArrayBuffer ( O, length ) | |
| Properties of the TypedArray Constructors | |
| TypedArray.BYTES_PER_ELEMENT | |
| TypedArray.prototype | |
| Properties of the TypedArray Prototype Objects | |
| TypedArray.prototype.BYTES_PER_ELEMENT | |
| TypedArray.prototype.constructor | |
| Properties of TypedArray Instances | |
| Keyed Collections | |
| Map Objects | |
| The Map Constructor | |
| Map ( [ iterable ] ) | |
| AddEntriesFromIterable ( target, iterable, adder ) | |
| Properties of the Map Constructor | |
| Map.prototype | |
| get Map [ @@species ] | |
| Properties of the Map Prototype Object | |
| Map.prototype.clear ( ) | |
| Map.prototype.constructor | |
| Map.prototype.delete ( key ) | |
| Map.prototype.entries ( ) | |
| Map.prototype.forEach ( callbackfn [ , thisArg ] ) | |
| Map.prototype.get ( key ) | |
| Map.prototype.has ( key ) | |
| Map.prototype.keys ( ) | |
| Map.prototype.set ( key, value ) | |
| get Map.prototype.size | |
| Map.prototype.values ( ) | |
| Map.prototype [ @@iterator ] ( ) | |
| Map.prototype [ @@toStringTag ] | |
| Properties of Map Instances | |
| Map Iterator Objects | |
| CreateMapIterator ( map, kind ) | |
| The %MapIteratorPrototype% Object | |
| %MapIteratorPrototype%.next ( ) | |
| %MapIteratorPrototype% [ @@toStringTag ] | |
| Set Objects | |
| The Set Constructor | |
| Set ( [ iterable ] ) | |
| Properties of the Set Constructor | |
| Set.prototype | |
| get Set [ @@species ] | |
| Properties of the Set Prototype Object | |
| Set.prototype.add ( value ) | |
| Set.prototype.clear ( ) | |
| Set.prototype.constructor | |
| Set.prototype.delete ( value ) | |
| Set.prototype.entries ( ) | |
| Set.prototype.forEach ( callbackfn [ , thisArg ] ) | |
| Set.prototype.has ( value ) | |
| Set.prototype.keys ( ) | |
| get Set.prototype.size | |
| Set.prototype.values ( ) | |
| Set.prototype [ @@iterator ] ( ) | |
| Set.prototype [ @@toStringTag ] | |
| Properties of Set Instances | |
| Set Iterator Objects | |
| CreateSetIterator ( set, kind ) | |
| The %SetIteratorPrototype% Object | |
| %SetIteratorPrototype%.next ( ) | |
| %SetIteratorPrototype% [ @@toStringTag ] | |
| WeakMap Objects | |
| The WeakMap Constructor | |
| WeakMap ( [ iterable ] ) | |
| Properties of the WeakMap Constructor | |
| WeakMap.prototype | |
| Properties of the WeakMap Prototype Object | |
| WeakMap.prototype.constructor | |
| WeakMap.prototype.delete ( key ) | |
| WeakMap.prototype.get ( key ) | |
| WeakMap.prototype.has ( key ) | |
| WeakMap.prototype.set ( key, value ) | |
| WeakMap.prototype [ @@toStringTag ] | |
| Properties of WeakMap Instances | |
| WeakSet Objects | |
| The WeakSet Constructor | |
| WeakSet ( [ iterable ] ) | |
| Properties of the WeakSet Constructor | |
| WeakSet.prototype | |
| Properties of the WeakSet Prototype Object | |
| WeakSet.prototype.add ( value ) | |
| WeakSet.prototype.constructor | |
| WeakSet.prototype.delete ( value ) | |
| WeakSet.prototype.has ( value ) | |
| WeakSet.prototype [ @@toStringTag ] | |
| Properties of WeakSet Instances | |
| Structured Data | |
| ArrayBuffer Objects | |
| Notation | |
| Abstract Operations For ArrayBuffer Objects | |
| AllocateArrayBuffer ( constructor, byteLength ) | |
| IsDetachedBuffer ( arrayBuffer ) | |
| DetachArrayBuffer ( arrayBuffer [ , key ] ) | |
| CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength, cloneConstructor ) | |
| IsUnsignedElementType ( type ) | |
| IsUnclampedIntegerElementType ( type ) | |
| IsBigIntElementType ( type ) | |
| IsNoTearConfiguration ( type, order ) | |
| RawBytesToNumeric ( type, rawBytes, isLittleEndian ) | |
| GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ) | |
| NumericToRawBytes ( type, value, isLittleEndian ) | |
| SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ) | |
| GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op [ , isLittleEndian ] ) | |
| The ArrayBuffer Constructor | |
| ArrayBuffer ( length ) | |
| Properties of the ArrayBuffer Constructor | |
| ArrayBuffer.isView ( arg ) | |
| ArrayBuffer.prototype | |
| get ArrayBuffer [ @@species ] | |
| Properties of the ArrayBuffer Prototype Object | |
| get ArrayBuffer.prototype.byteLength | |
| ArrayBuffer.prototype.constructor | |
| ArrayBuffer.prototype.slice ( start, end ) | |
| ArrayBuffer.prototype [ @@toStringTag ] | |
| Properties of ArrayBuffer Instances | |
| SharedArrayBuffer Objects | |
| Abstract Operations for SharedArrayBuffer Objects | |
| AllocateSharedArrayBuffer ( constructor, byteLength ) | |
| IsSharedArrayBuffer ( obj ) | |
| The SharedArrayBuffer Constructor | |
| SharedArrayBuffer ( [ length ] ) | |
| Properties of the SharedArrayBuffer Constructor | |
| SharedArrayBuffer.prototype | |
| get SharedArrayBuffer [ @@species ] | |
| Properties of the SharedArrayBuffer Prototype Object | |
| get SharedArrayBuffer.prototype.byteLength | |
| SharedArrayBuffer.prototype.constructor | |
| SharedArrayBuffer.prototype.slice ( start, end ) | |
| SharedArrayBuffer.prototype [ @@toStringTag ] | |
| Properties of SharedArrayBuffer Instances | |
| DataView Objects | |
| Abstract Operations For DataView Objects | |
| GetViewValue ( view, requestIndex, isLittleEndian, type ) | |
| SetViewValue ( view, requestIndex, isLittleEndian, type, value ) | |
| The DataView Constructor | |
| DataView ( buffer [ , byteOffset [ , byteLength ] ] ) | |
| Properties of the DataView Constructor | |
| DataView.prototype | |
| Properties of the DataView Prototype Object | |
| get DataView.prototype.buffer | |
| get DataView.prototype.byteLength | |
| get DataView.prototype.byteOffset | |
| DataView.prototype.constructor | |
| DataView.prototype.getBigInt64 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getBigUint64 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getFloat32 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getFloat64 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getInt8 ( byteOffset ) | |
| DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getInt32 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getUint8 ( byteOffset ) | |
| DataView.prototype.getUint16 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.getUint32 ( byteOffset [ , littleEndian ] ) | |
| DataView.prototype.setBigInt64 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setBigUint64 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setFloat32 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setFloat64 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setInt8 ( byteOffset, value ) | |
| DataView.prototype.setInt16 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setInt32 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setUint8 ( byteOffset, value ) | |
| DataView.prototype.setUint16 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype.setUint32 ( byteOffset, value [ , littleEndian ] ) | |
| DataView.prototype [ @@toStringTag ] | |
| Properties of DataView Instances | |
| The Atomics Object | |
| Abstract Operations for Atomics | |
| ValidateIntegerTypedArray ( typedArray [ , waitable ] ) | |
| ValidateAtomicAccess ( typedArray, requestIndex ) | |
| GetWaiterList ( block, i ) | |
| EnterCriticalSection ( WL ) | |
| LeaveCriticalSection ( WL ) | |
| AddWaiter ( WL, W ) | |
| RemoveWaiter ( WL, W ) | |
| RemoveWaiters ( WL, c ) | |
| SuspendAgent ( WL, W, timeout ) | |
| NotifyWaiter ( WL, W ) | |
| AtomicReadModifyWrite ( typedArray, index, value, op ) | |
| ByteListBitwiseOp ( op, xBytes, yBytes ) | |
| ByteListEqual ( xBytes, yBytes ) | |
| Atomics.add ( typedArray, index, value ) | |
| Atomics.and ( typedArray, index, value ) | |
| Atomics.compareExchange ( typedArray, index, expectedValue, replacementValue ) | |
| Atomics.exchange ( typedArray, index, value ) | |
| Atomics.isLockFree ( size ) | |
| Atomics.load ( typedArray, index ) | |
| Atomics.or ( typedArray, index, value ) | |
| Atomics.store ( typedArray, index, value ) | |
| Atomics.sub ( typedArray, index, value ) | |
| Atomics.wait ( typedArray, index, value, timeout ) | |
| Atomics.notify ( typedArray, index, count ) | |
| Atomics.xor ( typedArray, index, value ) | |
| Atomics [ @@toStringTag ] | |
| The JSON Object | |
| JSON.parse ( text [ , reviver ] ) | |
| InternalizeJSONProperty ( holder, name, reviver ) | |
| JSON.stringify ( value [ , replacer [ , space ] ] ) | |
| SerializeJSONProperty ( state, key, holder ) | |
| QuoteJSONString ( value ) | |
| UnicodeEscape ( C ) | |
| SerializeJSONObject ( state, value ) | |
| SerializeJSONArray ( state, value ) | |
| JSON [ @@toStringTag ] | |
| Managing Memory | |
| WeakRef Objects | |
| The WeakRef Constructor | |
| WeakRef ( target ) | |
| Properties of the WeakRef Constructor | |
| WeakRef.prototype | |
| Properties of the WeakRef Prototype Object | |
| WeakRef.prototype.constructor | |
| WeakRef.prototype.deref ( ) | |
| WeakRef.prototype [ @@toStringTag ] | |
| WeakRef Abstract Operations | |
| WeakRefDeref ( weakRef ) | |
| Properties of WeakRef Instances | |
| FinalizationRegistry Objects | |
| The FinalizationRegistry Constructor | |
| FinalizationRegistry ( cleanupCallback ) | |
| Properties of the FinalizationRegistry Constructor | |
| FinalizationRegistry.prototype | |
| Properties of the FinalizationRegistry Prototype Object | |
| FinalizationRegistry.prototype.constructor | |
| FinalizationRegistry.prototype.register ( target, heldValue [ , unregisterToken ] ) | |
| FinalizationRegistry.prototype.unregister ( unregisterToken ) | |
| FinalizationRegistry.prototype [ @@toStringTag ] | |
| Properties of FinalizationRegistry Instances | |
| Control Abstraction Objects | |
| Iteration | |
| Common Iteration Interfaces | |
| The Iterable Interface | |
| The Iterator Interface | |
| The AsyncIterable Interface | |
| The AsyncIterator Interface | |
| The IteratorResult Interface | |
| The %IteratorPrototype% Object | |
| %IteratorPrototype% [ @@iterator ] ( ) | |
| The %AsyncIteratorPrototype% Object | |
| %AsyncIteratorPrototype% [ @@asyncIterator ] ( ) | |
| Async-from-Sync Iterator Objects | |
| CreateAsyncFromSyncIterator ( syncIteratorRecord ) | |
| The %AsyncFromSyncIteratorPrototype% Object | |
| %AsyncFromSyncIteratorPrototype%.next ( [ value ] ) | |
| %AsyncFromSyncIteratorPrototype%.return ( [ value ] ) | |
| %AsyncFromSyncIteratorPrototype%.throw ( [ value ] ) | |
| Async-from-Sync Iterator Value Unwrap Functions | |
| Properties of Async-from-Sync Iterator Instances | |
| AsyncFromSyncIteratorContinuation ( result, promiseCapability ) | |
| Promise Objects | |
| Promise Abstract Operations | |
| PromiseCapability Records | |
| IfAbruptRejectPromise ( value, capability ) | |
| PromiseReaction Records | |
| CreateResolvingFunctions ( promise ) | |
| Promise Reject Functions | |
| Promise Resolve Functions | |
| FulfillPromise ( promise, value ) | |
| NewPromiseCapability ( C ) | |
| GetCapabilitiesExecutor Functions | |
| IsPromise ( x ) | |
| RejectPromise ( promise, reason ) | |
| TriggerPromiseReactions ( reactions, argument ) | |
| HostPromiseRejectionTracker ( promise, operation ) | |
| Promise Jobs | |
| NewPromiseReactionJob ( reaction, argument ) | |
| NewPromiseResolveThenableJob ( promiseToResolve, thenable, then ) | |
| The Promise Constructor | |
| Promise ( executor ) | |
| Properties of the Promise Constructor | |
| Promise.all ( iterable ) | |
| GetPromiseResolve ( promiseConstructor ) | |
| PerformPromiseAll ( iteratorRecord, constructor, resultCapability, promiseResolve ) | |
| Promise.all Resolve Element Functions | |
| Promise.allSettled ( iterable ) | |
| PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability, promiseResolve ) | |
| Promise.allSettled Resolve Element Functions | |
| Promise.allSettled Reject Element Functions | |
| Promise.any ( iterable ) | |
| PerformPromiseAny ( iteratorRecord, constructor, resultCapability, promiseResolve ) | |
| Promise.any Reject Element Functions | |
| Promise.prototype | |
| Promise.race ( iterable ) | |
| PerformPromiseRace ( iteratorRecord, constructor, resultCapability, promiseResolve ) | |
| Promise.reject ( r ) | |
| Promise.resolve ( x ) | |
| PromiseResolve ( C, x ) | |
| get Promise [ @@species ] | |
| Properties of the Promise Prototype Object | |
| Promise.prototype.catch ( onRejected ) | |
| Promise.prototype.constructor | |
| Promise.prototype.finally ( onFinally ) | |
| Then Finally Functions | |
| Catch Finally Functions | |
| Promise.prototype.then ( onFulfilled, onRejected ) | |
| PerformPromiseThen ( promise, onFulfilled, onRejected [ , resultCapability ] ) | |
| Promise.prototype [ @@toStringTag ] | |
| Properties of Promise Instances | |
| GeneratorFunction Objects | |
| The GeneratorFunction Constructor | |
| GeneratorFunction ( p1, p2, … , pn, body ) | |
| Properties of the GeneratorFunction Constructor | |
| GeneratorFunction.length | |
| GeneratorFunction.prototype | |
| Properties of the GeneratorFunction Prototype Object | |
| GeneratorFunction.prototype.constructor | |
| GeneratorFunction.prototype.prototype | |
| GeneratorFunction.prototype [ @@toStringTag ] | |
| GeneratorFunction Instances | |
| length | |
| name | |
| prototype | |
| AsyncGeneratorFunction Objects | |
| The AsyncGeneratorFunction Constructor | |
| AsyncGeneratorFunction ( p1, p2, … , pn, body ) | |
| Properties of the AsyncGeneratorFunction Constructor | |
| AsyncGeneratorFunction.length | |
| AsyncGeneratorFunction.prototype | |
| Properties of the AsyncGeneratorFunction Prototype Object | |
| AsyncGeneratorFunction.prototype.constructor | |
| AsyncGeneratorFunction.prototype.prototype | |
| AsyncGeneratorFunction.prototype [ @@toStringTag ] | |
| AsyncGeneratorFunction Instances | |
| length | |
| name | |
| prototype | |
| Generator Objects | |
| Properties of the Generator Prototype Object | |
| Generator.prototype.constructor | |
| Generator.prototype.next ( value ) | |
| Generator.prototype.return ( value ) | |
| Generator.prototype.throw ( exception ) | |
| Generator.prototype [ @@toStringTag ] | |
| Properties of Generator Instances | |
| Generator Abstract Operations | |
| GeneratorStart ( generator, generatorBody ) | |
| GeneratorValidate ( generator, generatorBrand ) | |
| GeneratorResume ( generator, value, generatorBrand ) | |
| GeneratorResumeAbrupt ( generator, abruptCompletion, generatorBrand ) | |
| GetGeneratorKind ( ) | |
| GeneratorYield ( iterNextObj ) | |
| Yield ( value ) | |
| CreateIteratorFromClosure ( closure, generatorBrand, generatorPrototype ) | |
| AsyncGenerator Objects | |
| Properties of the AsyncGenerator Prototype Object | |
| AsyncGenerator.prototype.constructor | |
| AsyncGenerator.prototype.next ( value ) | |
| AsyncGenerator.prototype.return ( value ) | |
| AsyncGenerator.prototype.throw ( exception ) | |
| AsyncGenerator.prototype [ @@toStringTag ] | |
| Properties of AsyncGenerator Instances | |
| AsyncGenerator Abstract Operations | |
| AsyncGeneratorRequest Records | |
| AsyncGeneratorStart ( generator, generatorBody ) | |
| AsyncGeneratorValidate ( generator, generatorBrand ) | |
| AsyncGeneratorResolve ( generator, value, done ) | |
| AsyncGeneratorReject ( generator, exception ) | |
| AsyncGeneratorResumeNext ( generator ) | |
| AsyncGeneratorResumeNext Return Processor Fulfilled Functions | |
| AsyncGeneratorResumeNext Return Processor Rejected Functions | |
| AsyncGeneratorEnqueue ( generator, completion, generatorBrand ) | |
| AsyncGeneratorYield ( value ) | |
| CreateAsyncIteratorFromClosure ( closure, generatorBrand, generatorPrototype ) | |
| AsyncFunction Objects | |
| The AsyncFunction Constructor | |
| AsyncFunction ( p1, p2, … , pn, body ) | |
| Properties of the AsyncFunction Constructor | |
| AsyncFunction.length | |
| AsyncFunction.prototype | |
| Properties of the AsyncFunction Prototype Object | |
| AsyncFunction.prototype.constructor | |
| AsyncFunction.prototype [ @@toStringTag ] | |
| AsyncFunction Instances | |
| length | |
| name | |
| Async Functions Abstract Operations | |
| AsyncFunctionStart ( promiseCapability, asyncFunctionBody ) | |
| Reflection | |
| The Reflect Object | |
| Reflect.apply ( target, thisArgument, argumentsList ) | |
| Reflect.construct ( target, argumentsList [ , newTarget ] ) | |
| Reflect.defineProperty ( target, propertyKey, attributes ) | |
| Reflect.deleteProperty ( target, propertyKey ) | |
| Reflect.get ( target, propertyKey [ , receiver ] ) | |
| Reflect.getOwnPropertyDescriptor ( target, propertyKey ) | |
| Reflect.getPrototypeOf ( target ) | |
| Reflect.has ( target, propertyKey ) | |
| Reflect.isExtensible ( target ) | |
| Reflect.ownKeys ( target ) | |
| Reflect.preventExtensions ( target ) | |
| Reflect.set ( target, propertyKey, V [ , receiver ] ) | |
| Reflect.setPrototypeOf ( target, proto ) | |
| Reflect [ @@toStringTag ] | |
| Proxy Objects | |
| The Proxy Constructor | |
| Proxy ( target, handler ) | |
| Properties of the Proxy Constructor | |
| Proxy.revocable ( target, handler ) | |
| Proxy Revocation Functions | |
| Module Namespace Objects | |
| @@toStringTag | |
| Memory Model | |
| Memory Model Fundamentals | |
| Agent Events Records | |
| Chosen Value Records | |
| Candidate Executions | |
| Abstract Operations for the Memory Model | |
| EventSet ( execution ) | |
| SharedDataBlockEventSet ( execution ) | |
| HostEventSet ( execution ) | |
| ComposeWriteEventBytes ( execution, byteIndex, Ws ) | |
| ValueOfReadEvent ( execution, R ) | |
| Relations of Candidate Executions | |
| agent-order | |
| reads-bytes-from | |
| reads-from | |
| host-synchronizes-with | |
| synchronizes-with | |
| happens-before | |
| Properties of Valid Executions | |
| Valid Chosen Reads | |
| Coherent Reads | |
| Tear Free Reads | |
| Sequentially Consistent Atomics | |
| Valid Executions | |
| Races | |
| Data Races | |
| Data Race Freedom | |
| Shared Memory Guidelines | |
| Grammar Summary | |
| Lexical Grammar | |
| Expressions | |
| Statements | |
| Functions and Classes | |
| Scripts and Modules | |
| Number Conversions | |
| Universal Resource Identifier Character Classes | |
| Regular Expressions | |
| Additional ECMAScript Features for Web Browsers | |
| Additional Syntax | |
| Numeric Literals | |
| Static Semantics | |
| String Literals | |
| Static Semantics | |
| HTML-like Comments | |
| Regular Expressions Patterns | |
| Static Semantics: Early Errors | |
| Static Semantics: IsCharacterClass | |
| Static Semantics: CharacterValue | |
| Pattern Semantics | |
| CharacterRangeOrUnion ( A, B ) | |
| Additional Built-in Properties | |
| Additional Properties of the Global Object | |
| escape ( string ) | |
| unescape ( string ) | |
| Additional Properties of the Object.prototype Object | |
| Object.prototype.__proto__ | |
| get Object.prototype.__proto__ | |
| set Object.prototype.__proto__ | |
| Object.prototype.__defineGetter__ ( P, getter ) | |
| Object.prototype.__defineSetter__ ( P, setter ) | |
| Object.prototype.__lookupGetter__ ( P ) | |
| Object.prototype.__lookupSetter__ ( P ) | |
| Additional Properties of the String.prototype Object | |
| String.prototype.substr ( start, length ) | |
| String.prototype.anchor ( name ) | |
| CreateHTML ( string, tag, attribute, value ) | |
| String.prototype.big ( ) | |
| String.prototype.blink ( ) | |
| String.prototype.bold ( ) | |
| String.prototype.fixed ( ) | |
| String.prototype.fontcolor ( color ) | |
| String.prototype.fontsize ( size ) | |
| String.prototype.italics ( ) | |
| String.prototype.link ( url ) | |
| String.prototype.small ( ) | |
| String.prototype.strike ( ) | |
| String.prototype.sub ( ) | |
| String.prototype.sup ( ) | |
| String.prototype.trimLeft ( ) | |
| String.prototype.trimRight ( ) | |
| Additional Properties of the Date.prototype Object | |
| Date.prototype.getYear ( ) | |
| Date.prototype.setYear ( year ) | |
| Date.prototype.toGMTString ( ) | |
| Additional Properties of the RegExp.prototype Object | |
| RegExp.prototype.compile ( pattern, flags ) | |
| Other Additional Features | |
| __proto__ Property Names in Object Initializers | |
| Labelled Function Declarations | |
| Block-Level Function Declarations Web Legacy Compatibility Semantics | |
| Changes to FunctionDeclarationInstantiation | |
| Changes to GlobalDeclarationInstantiation | |
| Changes to EvalDeclarationInstantiation | |
| Changes to Block Static Semantics: Early Errors | |
| Changes to switch Statement Static Semantics: Early Errors | |
| Changes to BlockDeclarationInstantiation | |
| FunctionDeclarations in IfStatement Statement Clauses | |
| VariableStatements in Catch Blocks | |
| Initializers in ForIn Statement Heads | |
| The [[IsHTMLDDA]] Internal Slot | |
| Changes to ToBoolean | |
| Changes to Abstract Equality Comparison | |
| Changes to the typeof Operator | |
| The Strict Mode of ECMAScript | |
| Host Layering Points | |
| Host Hooks | |
| Host-defined Fields | |
| Host-defined Objects | |
| Running Jobs | |
| Internal Methods of Exotic Objects | |
| Built-in Objects and Methods | |
| Corrections and Clarifications in ECMAScript 2015 with Possible Compatibility Impact | |
| Additions and Changes That Introduce Incompatibilities with Prior Editions | |
| Colophon | |
| Bibliography | |
| Copyright & Software License |
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