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ChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XS
Current folder:Features20,215 tests
features
(source)
32%
ChakraCore: 15%JavaScriptCore: 28%SpiderMonkey: 39%V8: 59%Moddable XS: 20%
Folder:
Array.prototype.flat28 tests/Array.prototype.flat/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Array.prototype.flatMap35 tests/Array.prototype.flatMap/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Atomic Operations460 tests/Atomics/
51%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 99%V8: 89%Moddable XS: 69%
Folder:
BigInt2,151 tests/BigInt/
56%
ChakraCore: 2%JavaScriptCore: 2%SpiderMonkey: 96%V8: 95%Moddable XS: 87%
Folder:
Class Fields Private1,749 tests/class-fields-private/
39%
ChakraCore: 39%JavaScriptCore: 40%SpiderMonkey: 40%V8: 74%Moddable XS: 0%
Folder:
Class Fields3,455 tests/class-fields-public/
20%
ChakraCore: 13%JavaScriptCore: 13%SpiderMonkey: 13%V8: 62%Moddable XS: 0%
Folder:
Class Private Methods and Getter/Setters3,136 tests/class-methods-private/
16%
ChakraCore: 21%JavaScriptCore: 21%SpiderMonkey: 21%V8: 21%Moddable XS: 0%
Folder:
Class Static Fields Private640 tests/class-static-fields-private/
20%
ChakraCore: 3%JavaScriptCore: 3%SpiderMonkey: 3%V8: 89%Moddable XS: 0%
Folder:
Class Static Fields Public54 tests/class-static-fields-public/
56%
ChakraCore: 62%JavaScriptCore: 59%SpiderMonkey: 59%V8: 100%Moddable XS: 0%
Folder:
Class Static Methods Private2,796 tests/class-static-methods-private/
8%
ChakraCore: 11%JavaScriptCore: 11%SpiderMonkey: 11%V8: 11%Moddable XS: 0%
Folder:
Dynamic Import1,036 tests/dynamic-import/
55%
ChakraCore: 22%JavaScriptCore: 84%SpiderMonkey: 81%V8: 86%Moddable XS: 0%
Folder:
`export * as namespace from module`36 tests/export-star-as-namespace-from-module/
36%
ChakraCore: 44%JavaScriptCore: 22%SpiderMonkey: 22%V8: 94%Moddable XS: 0%
Folder:
FinalizationGroup120 tests/FinalizationGroup/
0%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 0%Moddable XS: 0%
Folder:
Global this4 tests/globalThis/
60%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 0%
Folder:
Hashbang Grammar35 tests/hashbang/
69%
ChakraCore: 62%JavaScriptCore: 82%SpiderMonkey: 100%V8: 100%Moddable XS: 0%
Folder:
import.meta46 tests/import.meta/
62%
ChakraCore: 43%JavaScriptCore: 82%SpiderMonkey: 95%V8: 91%Moddable XS: 0%
Folder:
Intl.DateTimeFormat: dateStyle and timeStyle options16 tests/Intl.DateTimeFormat-datetimestyle/
20%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 0%
Folder:
Intl.DateTimeFormat-dayPeriod12 tests/Intl.DateTimeFormat-dayPeriod/
13%
ChakraCore: 16%JavaScriptCore: 16%SpiderMonkey: 16%V8: 16%Moddable XS: 0%
Folder:
Intl.DateTimeFormat-fractionalSecondDigits12 tests/Intl.DateTimeFormat-fractionalSecondDigits/
13%
ChakraCore: 16%JavaScriptCore: 16%SpiderMonkey: 16%V8: 16%Moddable XS: 0%
Folder:
Intl.DateTimeFormat-quarter12 tests/Intl.DateTimeFormat-quarter/
13%
ChakraCore: 16%JavaScriptCore: 16%SpiderMonkey: 16%V8: 16%Moddable XS: 0%
Folder:
Intl.ListFormat134 tests/Intl.ListFormat/
20%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 0%
Folder:
Intl.Locale196 tests/Intl.Locale/
20%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 0%
Folder:
Intl.NumberFormat Unified API4 tests/Intl.NumberFormat-unified/
20%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 0%
Folder:
Intl.RelativeTimeFormat150 tests/Intl.RelativeTimeFormat/
34%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 74%V8: 97%Moddable XS: 0%
Folder:
Intl.Segmenter144 tests/Intl.Segmenter/
0%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 0%Moddable XS: 0%
Folder:
ECMAScript ⊃ JSON8 tests/json-superset/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Numeric Separator Literal204 tests/numeric-separator-literal/
67%
ChakraCore: 69%JavaScriptCore: 100%SpiderMonkey: 70%V8: 99%Moddable XS: 0%
Folder:
Object.fromEntries48 tests/Object.fromEntries/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Optional Catch Binding10 tests/optional-catch-binding/
84%
ChakraCore: 20%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Promise.allSettled184 tests/Promise.allSettled/
40%
ChakraCore: 2%JavaScriptCore: 96%SpiderMonkey: 2%V8: 96%Moddable XS: 2%
Folder:
Promise.prototype.finally46 tests/Promise.prototype.finally/
92%
ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 95%V8: 100%Moddable XS: 65%
Folder:
proxy-missing-checks6 tests/proxy-missing-checks/
20%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 0%
Folder:
RegExp s (dotAll) flag34 tests/regexp-dotall/
55%
ChakraCore: 0%JavaScriptCore: 94%SpiderMonkey: 0%V8: 100%Moddable XS: 82%
Folder:
RegExp lookBehind38 tests/regexp-lookbehind/
38%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 100%Moddable XS: 94%
Folder:
RegExp named groups capturing162 tests/regexp-named-groups/
68%
ChakraCore: 71%JavaScriptCore: 67%SpiderMonkey: 71%V8: 30%Moddable XS: 98%
Folder:
RegExp Unicode Property Escapes1,076 tests/regexp-unicode-property-escapes/
46%
ChakraCore: 24%JavaScriptCore: 80%SpiderMonkey: 26%V8: 73%Moddable XS: 26%
Folder:
Shared Memory622 tests/SharedArrayBuffer/
53%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 99%V8: 92%Moddable XS: 77%
Folder:
String Trimming104 tests/string-trimming/
78%
ChakraCore: 7%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 84%
Folder:
String.prototype.matchAll28 tests/String.prototype.matchAll/
60%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 0%
Folder:
Async Iteration and Generators1,068 tests/Symbol.asyncIterator/
51%
ChakraCore: 0%JavaScriptCore: 64%SpiderMonkey: 67%V8: 67%Moddable XS: 60%
Folder:
Symbol.prototype.description14 tests/Symbol.prototype.description/
82%
ChakraCore: 14%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%
Folder:
Tail Call Optimization40 tests/tail-call-optimization/
42%
ChakraCore: 22%JavaScriptCore: 70%SpiderMonkey: 20%V8: 20%Moddable XS: 77%
Folder:
WeakRef60 tests/WeakRef/
15%
ChakraCore: 0%JavaScriptCore: 76%SpiderMonkey: 0%V8: 0%Moddable XS: 0%
Folder:
Well-formed JSON.stringify2 tests/well-formed-json-stringify/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%