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Test262/ Language Syntax/ Expressions/ delete
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Show pattern for JavaScript engine result barsChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSQuickJSengine262
Current folder:delete99 tests(source)
98%
ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 91%QuickJS: 98%engine262: 96%
File:		Delete operator as UnaryExpression
D
11.4.1-0-1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns true when deleting returned value from a function
SD
11.4.1-2-2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true when deleting an unresolvable reference
D
11.4.1-3-1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator throws ReferenceError when deleting an explicitly qualified yet unresolvable reference (base obj undefined)
SD
11.4.1-3-2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true when deleting an explicitly qualified yet unresolvable reference (property undefined for base obj)
SD
11.4.1-3-3.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		TypeError is thrown when deleting non-configurable data property
S
11.4.1-4-a-1-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		TypeError is thrown when deleting non-configurable accessor property
S
11.4.1-4-a-2-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		TypeError isn't thrown when deleting configurable data property
SD
11.4.1-4-a-3-s.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		TypeError isn't thrown when deleting configurable accessor property
SD
11.4.1-4-a-4-s.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true when deleting a configurable data property
SD
11.4.1-4.a-1.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true for property (stringify) defined on built-in object (JSON)
SD
11.4.1-4.a-10.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true on deleting arguments propterties(arguments.callee)
D
11.4.1-4.a-11.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a property(length)
D
11.4.1-4.a-12.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting Array object
D
11.4.1-4.a-13.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns true when deleting Array elements
SD
11.4.1-4.a-14.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true when deleting Array expandos
SD
11.4.1-4.a-15.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns false on deleting arguments object
D
11.4.1-4.a-16.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns true on deleting a arguments element
SD
11.4.1-4.a-17.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator returns true when deleting a configurable accessor property
SD
11.4.1-4.a-2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator throws TypeError when deleting a non-configurable data property in strict mode
S
11.4.1-4.a-3-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a non-configurable data property
D
11.4.1-4.a-3.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a non-configurable data property (NaN)
D
11.4.1-4.a-4.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting the declaration of the environment object inside 'with'
D
11.4.1-4.a-5.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns true when deleting a property inside 'with'
D
11.4.1-4.a-6.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator inside 'eval'
D
11.4.1-4.a-7.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator throws TypeError when deleting a non-configurable data property in strict mode
S
11.4.1-4.a-8-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns true for built-in objects (JSON)
D
11.4.1-4.a-8.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator throws TypeError when deleting a non-configurable data property (Math.LN2) in strict mode
S
11.4.1-4.a-9-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a non-configurable data property (Math.LN2)
D
11.4.1-4.a-9.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a direct reference to a var
D
11.4.1-5-1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a direct reference to a function argument
D
11.4.1-5-2.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Delete operator returns false when deleting a direct reference to a function name
D
11.4.1-5-3.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		TypeError is thrown after deleting a property, calling preventExtensions, and attempting to reassign the property
S
11.4.1-5-a-27-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		TypeError is not thrown when deleting RegExp.length
SD
11.4.1-5-a-28-s.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete operator throws TypeError when deleting a non-configurable data property in strict mode
S
11.4.4-4.a-3-s.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		delete-unresolvable-base-object-reference-throws-typeerror.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		identifier-strict-recursive.js
S
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 0 of 1
File:		identifier-strict.js
S
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 0 of 1
File:		member-computed-reference-null.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		member-computed-reference-undefined.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		member-identifier-reference-null.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		member-identifier-reference-undefined.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		non-reference-return-true.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Primitive value and Object value cases
SD
S11.4.1_A2.1.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Undeclared variable case
D
S11.4.1_A2.2_T1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Object object and Function object cases
SD
S11.4.1_A2.2_T2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Undeclared variable case
SD
S11.4.1_A2.2_T3.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Declared variable
D
S11.4.1_A3.1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Declared variable
D
S11.4.1_A3.2_T1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Declared variable
SD
S11.4.1_A3.2_T2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Declared variable
SD
S11.4.1_A3.2_T3.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Declared variable
D
S11.4.1_A3.3_T1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Declared variable
SD
S11.4.1_A3.3_T2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Declared variable
SD
S11.4.1_A3.3_T3.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Declared variable
D
S11.4.1_A3.3_T4.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Declared variable
D
S11.4.1_A3.3_T5.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Declared variable
D
S11.4.1_A3.3_T6.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Two reference by one object
D
S11.4.1_A4.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		See if a strict delete returns false when deleting a non-standard property.
S
S11.4.1_A5.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Try to delete Math.E, that has the DontDelete attribute
D
S8.12.7_A1.js
ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1
File:		Try to delete not existent properties
SD
S8.12.7_A2_T1.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Try to delete not existent properties of O, but existent property of prototype
SD
S8.12.7_A2_T2.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		Delete existent properties
SD
S8.12.7_A3.js
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		super-property-method.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		super-property-null-base.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 0 of 2engine262: 0 of 2
File:		super-property.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2
File:		white-space-line-terminator-between-delete-unaryexpression-allowed.js
SD
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2