 | Arrow10 tests/language/expressions/arrow-function/arrow/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100% |
 | Destructuring454 tests/language/expressions/arrow-function/dstr/ | 95% ChakraCore: 92%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 98%QuickJS: 100%engine262: 77% |
 | Forbidden Ext5 tests/language/expressions/arrow-function/forbidden-ext/ | 83% ChakraCore: 40%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 40%QuickJS: 100%engine262: 100% |
 | Syntax77 tests/language/expressions/arrow-function/syntax/ | 91% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 91%QuickJS: 100%engine262: 49% |
 | array-destructuring-param-strict-body.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | ArrowFunction_restricted-properties.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 |
 | cannot-override-this-with-thisArg.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 |
 | dflt-params-abrupt.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 |
 | dflt-params-arg-val-not-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 |
 | dflt-params-arg-val-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 |
 | dflt-params-duplicates.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | dflt-params-ref-later.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 |
 | dflt-params-ref-prior.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 |
 | dflt-params-ref-self.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 |
 | dflt-params-rest.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | dflt-params-trailing-comma.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 |
 | empty-function-body-returns-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 |
 | eval-var-scope-syntax-err.js D | ChakraCore: 0 of 1JavaScriptCore: 0 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | expression-body-implicit-return.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 |
 | extensibility.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 |
 | length-dflt.js SD | ChakraCore: 0 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2 |
 | lexical-arguments.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 |
 | lexical-bindings-overriden-by-formal-parameters-non-strict.js D | ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | lexical-new.target-closure-returned.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 |
 | lexical-new.target.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 |
 | lexical-super-call-from-within-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 |
 | lexical-super-property-from-within-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 |
 | lexical-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 |
 | lexical-supercall-from-immediately-invoked-arrow.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 |
 | lexical-this.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 |
 | low-precedence-expression-body-no-parens.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 |
 | name.js SD | ChakraCore: 0 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2 |
 | non-strict.js D | ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | object-destructuring-param-strict-body.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | object-literal-return-requires-body-parens.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 |
 | param-dflt-yield-expr.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 |
 | param-dflt-yield-id-non-strict.js D | ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | param-dflt-yield-id-strict.js S | ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | params-duplicate.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | params-trailing-comma-multiple.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 |
 | params-trailing-comma-single.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 |
 | prototype-rules.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 |
 | rest-param-strict-body.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | rest-params-trailing-comma-early-error.js SD | ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 0 of 2 |
 | scope-body-lex-distinct.js D | ChakraCore: 0 of 1JavaScriptCore: 0 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | scope-param-elem-var-close.js D | ChakraCore: 0 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | scope-param-elem-var-open.js D | ChakraCore: 0 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | scope-param-rest-elem-var-close.js D | ChakraCore: 0 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | scope-param-rest-elem-var-open.js D | ChakraCore: 0 of 1JavaScriptCore: 0 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | scope-paramsbody-var-close.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 |
 | scope-paramsbody-var-open.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 |
 | statement-body-requires-braces-must-return-explicitly-missing.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 |
 | statement-body-requires-braces-must-return-explicitly.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 |
 | static-init-await-binding.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 |
 | static-init-await-reference.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 |
 | strict.js S | ChakraCore: 1 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 0 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | throw-new.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 |
 | unscopables-with-in-nested-fn.js D | ChakraCore: 0 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |
 | unscopables-with.js D | ChakraCore: 0 of 1JavaScriptCore: 1 of 1SpiderMonkey: 1 of 1V8: 1 of 1Moddable XS: 1 of 1QuickJS: 1 of 1engine262: 1 of 1 |