Test262 ReportBLACK LIVES MATTER

About

Filter Engines

JavaScript Engines

DecJan 2019FebMarAprMayJunJulAugSepOctNovDecJan 2020FebMarAprMayJunJulAugSepOctNovDecJan 2021FebMarAprMayJunJulAugSepOctNovDecJan 2022FebMarAprMay
All Tests
Show pattern for JavaScript engine result barsChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSQuickJSengine262
Current folder:Date.prototype.valueOf22 tests
valueOf
(source)
96%
ChakraCore: 82%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 91%QuickJS: 100%engine262: 100%
File:
name.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:
not-a-constructor.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:
Absence of ReadOnly attribute
SD
S15.9.5.8_A1_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:
Absence of DontDelete attribute
SD
S15.9.5.8_A1_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:
DontEnum attribute
SD
S15.9.5.8_A1_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:
The 'length' property of the 'valueOf' is 0
SD
S15.9.5.8_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:
ReadOnly attribute
SD
S15.9.5.8_A3_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:
DontDelete attribute
SD
S15.9.5.8_A3_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:
DontEnum attribute
SD
S15.9.5.8_A3_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:
For testing constructor Date(Number) is used
SD
S9.4_A3_T1.js
ChakraCore: 0 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 0 of 2QuickJS: 2 of 2engine262: 2 of 2
File:
For testing constructor Date(NaN, Infinity, Infinity, +0 and -0) is used
SD
S9.4_A3_T2.js
ChakraCore: 0 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2