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Show pattern for JavaScript engine result barsChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSQuickJSengine262
Current folder:Features23,721 tests
features
(source)
59%
ChakraCore: 17%JavaScriptCore: 37%SpiderMonkey: 50%V8: 91%Moddable XS: 89%QuickJS: 90%engine262: 37%
Folder:
AggregateError52 tests/AggregateError/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Array.prototype.flat30 tests/Array.prototype.flat/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Array.prototype.flatMap37 tests/Array.prototype.flatMap/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Atomic Operations716 tests/Atomics/
40%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 72%V8: 72%Moddable XS: 63%QuickJS: 72%engine262: 0%
Folder:
Atomics.waitAsync198 tests/Atomics.waitAsync/
0%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 0%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
BigInt2,369 tests/BigInt/
71%
ChakraCore: 5%JavaScriptCore: 28%SpiderMonkey: 94%V8: 94%Moddable XS: 95%QuickJS: 96%engine262: 88%
Folder:
Class Fields Private1,955 tests/class-fields-private/
65%
ChakraCore: 38%JavaScriptCore: 39%SpiderMonkey: 39%V8: 99%Moddable XS: 100%QuickJS: 100%engine262: 39%
Folder:
Class Fields3,862 tests/class-fields-public/
57%
ChakraCore: 15%JavaScriptCore: 35%SpiderMonkey: 35%V8: 99%Moddable XS: 100%QuickJS: 100%engine262: 15%
Folder:
Class Private Methods and Getter/Setters3,363 tests/class-methods-private/
54%
ChakraCore: 20%JavaScriptCore: 20%SpiderMonkey: 20%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 20%
Folder:
Class Static Fields Private687 tests/class-static-fields-private/
46%
ChakraCore: 5%JavaScriptCore: 5%SpiderMonkey: 5%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 5%
Folder:
Class Static Fields Public168 tests/class-static-fields-public/
67%
ChakraCore: 35%JavaScriptCore: 33%SpiderMonkey: 67%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 33%
Folder:
Class Static Methods Private2,975 tests/class-static-methods-private/
49%
ChakraCore: 11%JavaScriptCore: 11%SpiderMonkey: 11%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 11%
Folder:
Nullish Coalescing Expression50 tests/coalesce-expression/
86%
ChakraCore: 16%JavaScriptCore: 100%SpiderMonkey: 96%V8: 96%Moddable XS: 100%QuickJS: 96%engine262: 96%
Folder:
Dynamic Import1,046 tests/dynamic-import/
77%
ChakraCore: 23%JavaScriptCore: 84%SpiderMonkey: 84%V8: 78%Moddable XS: 90%QuickJS: 88%engine262: 90%
Folder:
`export * as namespace from module`38 tests/export-star-as-namespace-from-module/
77%
ChakraCore: 47%JavaScriptCore: 21%SpiderMonkey: 95%V8: 95%Moddable XS: 95%QuickJS: 95%engine262: 95%
Folder:
Global this100 tests/globalThis/
67%
ChakraCore: 0%JavaScriptCore: 52%SpiderMonkey: 100%V8: 68%Moddable XS: 100%QuickJS: 52%engine262: 100%
Folder:
Hashbang Grammar35 tests/hashbang/
95%
ChakraCore: 63%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
import.meta46 tests/import.meta/
92%
ChakraCore: 43%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Intl.DateTimeFormat: dateStyle and timeStyle options20 tests/Intl.DateTimeFormat-datetimestyle/
43%
ChakraCore: 10%JavaScriptCore: 90%SpiderMonkey: 100%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.DateTimeFormat-dayPeriod24 tests/Intl.DateTimeFormat-dayPeriod/
18%
ChakraCore: 8%JavaScriptCore: 8%SpiderMonkey: 100%V8: 8%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.DateTimeFormat-fractionalSecondDigits20 tests/Intl.DateTimeFormat-fractionalSecondDigits/
40%
ChakraCore: 10%JavaScriptCore: 80%SpiderMonkey: 90%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.DisplayNames88 tests/Intl.DisplayNames/
31%
ChakraCore: 7%JavaScriptCore: 100%SpiderMonkey: 7%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.ListFormat164 tests/Intl.ListFormat/
29%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 100%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.Locale204 tests/Intl.Locale/
41%
ChakraCore: 0%JavaScriptCore: 93%SpiderMonkey: 100%V8: 96%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.NumberFormat Unified API134 tests/Intl.NumberFormat-unified/
39%
ChakraCore: 3%JavaScriptCore: 69%SpiderMonkey: 100%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.RelativeTimeFormat156 tests/Intl.RelativeTimeFormat/
43%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
Intl.Segmenter158 tests/Intl.Segmenter/
29%
ChakraCore: 1%JavaScriptCore: 100%SpiderMonkey: 1%V8: 100%Moddable XS: 0%QuickJS: 0%engine262: 0%
Folder:
ECMAScript ⊃ JSON8 tests/json-superset/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Logical Assignment Operators96 tests/logical-assignment-operators/
83%
ChakraCore: 19%JavaScriptCore: 97%SpiderMonkey: 90%V8: 90%Moddable XS: 96%QuickJS: 96%engine262: 96%
Folder:
Numeric Separator Literal318 tests/numeric-separator-literal/
95%
ChakraCore: 68%JavaScriptCore: 100%SpiderMonkey: 100%V8: 99%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Object.fromEntries48 tests/Object.fromEntries/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Optional Catch Binding10 tests/optional-catch-binding/
89%
ChakraCore: 20%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Optional Chaining108 tests/optional-chaining/
88%
ChakraCore: 46%JavaScriptCore: 93%SpiderMonkey: 91%V8: 98%Moddable XS: 100%QuickJS: 94%engine262: 93%
Folder:
Promise.allSettled198 tests/Promise.allSettled/
84%
ChakraCore: 2%JavaScriptCore: 100%SpiderMonkey: 94%V8: 94%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Promise.any180 tests/Promise.any/
85%
ChakraCore: 2%JavaScriptCore: 100%SpiderMonkey: 98%V8: 98%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Promise.prototype.finally54 tests/Promise.prototype.finally/
95%
ChakraCore: 81%JavaScriptCore: 100%SpiderMonkey: 96%V8: 96%Moddable XS: 100%QuickJS: 93%engine262: 100%
Folder:
proxy-missing-checks6 tests/proxy-missing-checks/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
RegExp s (dotAll) flag34 tests/regexp-dotall/
82%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 82%QuickJS: 100%engine262: 94%
Folder:
RegExp lookBehind38 tests/regexp-lookbehind/
71%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 95%
Folder:
RegExp Match Array Indices28 tests/regexp-match-indices/
27%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 0%V8: 0%Moddable XS: 86%QuickJS: 0%engine262: 100%
Folder:
RegExp named groups capturing198 tests/regexp-named-groups/
82%
ChakraCore: 60%JavaScriptCore: 92%SpiderMonkey: 94%V8: 39%Moddable XS: 94%QuickJS: 93%engine262: 99%
Folder:
RegExp Unicode Property Escapes1,092 tests/regexp-unicode-property-escapes/
61%
ChakraCore: 24%JavaScriptCore: 76%SpiderMonkey: 100%V8: 74%Moddable XS: 26%QuickJS: 100%engine262: 26%
Folder:
Shared Memory774 tests/SharedArrayBuffer/
44%
ChakraCore: 0%JavaScriptCore: 0%SpiderMonkey: 78%V8: 78%Moddable XS: 76%QuickJS: 78%engine262: 0%
Folder:
String Trimming104 tests/string-trimming/
85%
ChakraCore: 8%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 85%
Folder:
String.prototype.matchAll30 tests/String.prototype.matchAll/
80%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 93%V8: 93%Moddable XS: 93%QuickJS: 93%engine262: 87%
Folder:
String.prototype.replaceAll82 tests/String.prototype.replaceAll/
84%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 98%V8: 98%Moddable XS: 98%QuickJS: 98%engine262: 98%
Folder:
Async Iteration and Generators1,076 tests/Symbol.asyncIterator/
72%
ChakraCore: 0%JavaScriptCore: 67%SpiderMonkey: 67%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 67%
Folder:
Symbol.prototype.description14 tests/Symbol.prototype.description/
88%
ChakraCore: 14%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%
Folder:
Tail Call Optimization42 tests/tail-call-optimization/
32%
ChakraCore: 17%JavaScriptCore: 71%SpiderMonkey: 19%V8: 19%Moddable XS: 98%QuickJS: 0%engine262: 0%
Folder:
Top Level Await486 tests/top-level-await/
43%
ChakraCore: 85%JavaScriptCore: 2%SpiderMonkey: 4%V8: 4%Moddable XS: 100%QuickJS: 4%engine262: 100%
Folder:
Well-formed JSON.stringify2 tests/well-formed-json-stringify/
86%
ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100%