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Test262
All Tests
Show pattern for JavaScript engine result barsChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSQuickJSengine262
Current folder:Test26279,460 tests
test262
(source)
90%
ChakraCore: 64%JavaScriptCore: 97%SpiderMonkey: 97%V8: 98%Moddable XS: 92%QuickJS: 95%engine262: 89%
Folder:
Language Syntax43,156 tests/language/
91%
ChakraCore: 55%JavaScriptCore: 98%SpiderMonkey: 97%V8: 98%Moddable XS: 96%QuickJS: 98%engine262: 93%
Folder:
Standard Built-in Objects33,062 tests/built-ins/
93%
ChakraCore: 78%JavaScriptCore: 97%SpiderMonkey: 98%V8: 98%Moddable XS: 94%QuickJS: 97%engine262: 93%
Folder:
Internationalization API1,886 tests/intl402/
45%
ChakraCore: 28%JavaScriptCore: 95%SpiderMonkey: 88%V8: 96%Moddable XS: 2%QuickJS: 2%engine262: 2%
Folder:
Additional Features for Web Browsers1,356 tests/annexB/
67%
ChakraCore: 68%JavaScriptCore: 71%SpiderMonkey: 93%V8: 93%Moddable XS: 29%QuickJS: 96%engine262: 16%