ES5 internal methods
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Usage of ECMASript 5.1 Object Internal Methods
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Spec.Internal Methodimplemented byCalls [[methods]]Called by [[methods]]Used By abstract opertations & semantic productionscalled by built-in functions
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8.12.1, 10.6, 15.5.5.2[[GetOwnProperty]] Object, argumentsObj, string instancesnone[[GetProperty], [[CanPut]], [[Put]], [[Delete]], [[DefineOwnProperty]], argObj.[[GetOwnProperty]]2, argObj.[[GetOwnProperty]] , argObj.[[Get]], argObj.[[DefineOwnProperty]], Array.[[DefineOwnProperty], String.[GetOwnProperty]declaration instantiation1, PropertyAssignment Object.getOwnPropertyDescriptor, Object.seal, Object.freeze, Object.isSealed, Object.isFrozen, Object.proto.hasOwnProperty, Object.proto.propertyIsEnumerable, Array sparse
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8.12.2[[GetProperty]Object[[GetOwnProperty]], [[GetProperty]]3 [[Get]], [[CanPut]], [[Put]], [[HasProperty]], primref.[[Get]], primref.[Put]]nonenone
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8.12.3, 8.7.1, 10.6, 15.3.5.4[[Get]]Object, Reference with primitive base, argumentsObj, function instances[[GetProperty], [[Call]], [[DefaultValue]]primref.[[Get]], func.[[HasInstance]], func.[[Get]]2 , func.[[Call]], argObj.[[Get]]2, argObj.[[Get]]GetValue, ToPropertyDescriptor, objEnvRec.GetBindingValue, ArrayLiteral, ElementListObject.defineProperties, Object.proto.toLocaleString, Function.proto.apply, Array sparse, Array.proto.toString, Array.proto.toLocaleString, Array.proto.concat, Array.proto.join, Array.proto.pop, Array.proto.push, Array.proto.reverse, Array.proto.shift, Array.proto.slice, Array.proto.sort, Array.proto.splice, Array.proto.unshift, Array.proto.indexOf, Array.proto.lastIndexOf, Array.proto.every, Array.proto.some, Array.proto.forEach, Array.proto.map, Array.proto.filter, Array.proto.reduce, Array.proto.reduceRight, String.proto.match, Data.proto.toJSON, RegExp.proto.exec, Error.proto.toString, JSON.parse, JSON.stringify, RegExp.proto.toString4, String.proto.replace4
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8.12.4[[CanPut]]Object[[GetOwnProperty]], [[GetProperty][[Put]], primref.[Put]nonenone
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8.12.5, 8.7.2, 10.6[[Put]]Object, Reference with primitive base, argumentsObj[[CanPut]], [[GetOwnProperty], [[Call]], [[DefineOwnProperty]]argObj.[[DefineOwnProperty]PutValue, objEnvRec.SetMutableBinding, ArrayLiteralArray.proto.pop, Array.proto.push, Array.proto.reverse, Array.proto.shift, Array.proto.sort, Array.proto.splice, Array.proto.unshift, String.proto.match, RegExp.proto.exec, String.proto.replace4
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8.12.6[[HasProperty]]Object[[GetProperty]]5ToPropertyDescriptor, objEnvRec.HasBinding, objEnvRec.CreateMutableBinding, objEnvRec.GetBindingValue, in operatorArray.proto.concat, Array.proto.reverse, Array.proto.shift, Array.proto.slice, Array.proto.sort, Array.proto.splice, Array.proto.unshift, Array.proto.indexOf, Array.proto.lastIndexOf, Array.proto.every, Array.proto.some, Array.proto.forEach, Array.proto.map, Array.proto.filter, Array.proto.reduce, Array.proto.reduce, Array.proto.reduceRight
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8.12.7, 10.6[[Delete]]Object, argumentsObject[[GetOwnProperty]]argobj.[DefineOwnProperty], argobj.[[Delete]], Array.[[DefineOwnProperty]]objEnvRec.DeleteBinding, delete operatorArray.proto.pop, Array.proto.reverse, Array.proto.shift, Array.proto.sort, Array.proto.splice, Array.proto.unshift
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8.12.8[[DefaultValue]]Object[[Get]], [[Call]]ToPrimitive
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8.12.9, 10.6, 15.4.5.1[DefineOwnProperty]]Object, argumentsObject, array instances[[GetOwnProperty]][[Put]], argObj.[[DefineOwnProperty]]2, Array.[[DefineOwnProperty]]2 FromPropertyDescrptor, objEnvRec.CreateMutableBinding, declaration instantiation, CreateArgumentsObjecty, ElementList, PropertyNameandValueList, Create Function Obj, create ThrowTypeError function (13.2.3) Object.getOwnPropertyNames, Object.DefineProperty, Object.defineProperties, Object.seal, Object.freeze, Object.keys, Function.proto.bind, Array.proto.concat, Array.proto.slice, Array.proto.splice, Array.proto.map, Array.proto.filter, String.proto.match, String.proto.split, RegExp.proto.exec, JSON.parse, JSON.stringify
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NOTES
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1The actual algorithms in both ES5 and ES5.1 use [[GetProperty]]. This is an error as reproted in https://mail.mozilla.org/pipermail/es5-discuss/2011-January/003882.html
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2This is a non-polymorphic calls to the default object implementation
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3This is a recursive polymorphic call
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4The call is implicit in a non-algorithm specification
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5[[HasProperty]] simply calls [[GetProperty]] tests its result. It adds no essential semantics that is part of [[GetProperty]]
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Abstract Operations that call Object internal methods
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Spec.Abstract Operationpart of byCalls [[methods]]Called by [[methods]]Used By abstract opertations & semantic productionscalled by built-in functions
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8.7.1GetValue()Reference[[Get]]nonemany semantic productionsnone
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8.7.2PutValue()Reference[[Put]]nonepostfix increment, postfix decrement, prefix increment, prefix decrment, simple assignment, compound assignment, variable statement, for-in statementnone
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8.10.4FromPropertyDescriptor()[[Proptery Descriptor]][[DefineOwnProperty]]noneObject.getOwnPropertyDescriptor
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8.10.5ToPropertyDescrptor()[[Proptery Descriptor]][[HasProperty]], [[Get]]noneObject.defineProperty, Object.defineProperties
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9.1ToPrimitive[[DefaultValue]]noneToNumber, ToString, addition operator, abstraction relational comparision algorithm, abstract equality comparision algorithmDate constructor, Date.proto.toISOString
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ToNumberArray.[[DefineOwnProperty]]ToInteger, ToInt32, ToUInt32, ToUInt16, most arithmetic operators, abstraction relational comparision algorithm, abstract equality comparision algorithmisNaN, isFinite, String.proto.lastIndexOf, Number constructor, all Math functions, Date constructor, Date.UTC, all Date.proto methods with arguments, JSON.stringify
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ToIntegerString.[[GetOwnProperty]]Array.proto.slice, Array.proto.splice, Array.proto.indexOf, Array.proto.lastIndexOf, String.proto.charAt, String.proto.charCodeAt, String.proto.indexOf, String.proto.lastIndexOf, String.proto.slice, String.proto.substring, Number.proto.toString, Number.proto.toFixed, Number.proto.toExponential, Number.proto.toPrecision, Data MakeTime, Date TimeClip, Date constructor, Date.UTC, RegExp.proto.exe, JSON.stringify, String.proto.substr, Date.proto.setYear
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ToInt32Bitwise not operator, left shift operator, signed right shift operator, binary bitwise operatorsparseInt
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ToUnit32Array.[[DefineOwnProperty]]ArrayLiteral, ElementList, left shift operator, signed right shift operator, unsigned right shift operator, binary bitwise operatorsFunction.proto.apply, array sparse alogirthm, Array constructor, Array.proto.toLocaleString, Array.proto.join, Array.proto.pop, Array.proto.push, Array.proto.reverse, Array.proto.shift, Array.proto.slice, Array.proto.splice, Array.proto.unshift, Array.proto.indexOf, Array.proto.lastIndexOf, Array.proto.every, Array.proto.some, Array.proto.forEach, Array.proto.map, Array.proto.filter, Array.proto.reduce, Array.proto.reduceRight, String.proto.split
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ToUint16String.fromCharCode
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ToStringArray.[[DefineOwnProperty]], String.[[GetOwnProperty]]ToString, CreateArgumentsObject. ArrayLiteral, ElementList, PropertyName, MemberExpression, addition operator, in operator, parseInt, parseFloat, decodeURI, decodeURIComponent, encodeURI, encodeURIComponent, Object.getOwnPropertyDescriptor, Object.getOwnPropertyNames, Object.defineProperty, Object.keys, Object.proto.hasOwnProperty, Object.proto.propertyIsEnumerable, Function constructor, Function.proto.apply, Array sparse, Array.proto.concat, Array.proto.join, Array.proto.pop, Array.proto.push, Array.proto.reverse, Array.proto.shift, Array.proto.slice, Array.proto.sort, Array.proto.splice, Array.proto.unshift, Array.proto.indexOf, Array.proto.lastIndexOf, Array.proto.every, Array.proto.some, Array.proto.forEach, Array.proto.map, Array.proto.filter, Array.proto.reduce, Array.proto.reduceRight, String constructor, String.proto.charAt, String.proto.charCodeAt, String.proto.concat, String.proto.indexOf, String.proto.lastIndexOf, String.proto.localeCompare, String.proto.match, String.proto.replace, String.proto.search, String.proto.slice, String.proto.split, String.proto.substring, String.proto.toLowerCase, String.proto.trim, Number.proto.toString, Number.proto.toFixed, Number.proto.toExponential, Number.proto.toPrecision, Date.parse, RegExp constructor, RegExp.proto.exec, Error constructor, Error.proto.toString, NativeError constructors, JSON.parse, JSON.stringify, escape, unescape, String.proto.substr,
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