| ChakraCoreJavaScriptCoreSpiderMonkeyV8 |
|---|
 | Language Syntax37,167 tests language  | 75% ChakraCore: 55%JavaScriptCore: 78%SpiderMonkey: 80%V8: 85% |
|---|
 | Arguments Object459 tests/language/arguments-object/ | 68% ChakraCore: 54%JavaScriptCore: 72%SpiderMonkey: 73%V8: 73% |
| Automatic Semicolon Insertion202 tests/language/asi/ | 99% ChakraCore: 100%JavaScriptCore: 99%SpiderMonkey: 99%V8: 100% |
| Block Scope284 tests/language/block-scope/ | 86% ChakraCore: 67%JavaScriptCore: 76%SpiderMonkey: 100%V8: 100% |
| Comments81 tests/language/comments/ | 94% ChakraCore: 83%JavaScriptCore: 92%SpiderMonkey: 100%V8: 100% |
| Computed Property Names90 tests/language/computed-property-names/ | 91% ChakraCore: 93%JavaScriptCore: 86%SpiderMonkey: 93%V8: 93% |
| Destructuring30 tests/language/destructuring/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Directive Prologue62 tests/language/directive-prologue/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Eval Code259 tests/language/eval-code/ | 94% ChakraCore: 88%JavaScriptCore: 91%SpiderMonkey: 100%V8: 97% |
| export6 tests/language/export/ | 75% ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Expressions17,126 tests/language/expressions/ | 74% ChakraCore: 54%JavaScriptCore: 76%SpiderMonkey: 79%V8: 85% |
| Function Code287 tests/language/function-code/ | 99% ChakraCore: 99%JavaScriptCore: 98%SpiderMonkey: 100%V8: 100% |
| Future Reserved Words85 tests/language/future-reserved-words/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Global Code73 tests/language/global-code/ | 82% ChakraCore: 75%JavaScriptCore: 91%SpiderMonkey: 80%V8: 80% |
| Identifier Resolution19 tests/language/identifier-resolution/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Identifiers285 tests/language/identifiers/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| import8 tests/language/import/ | 75% ChakraCore: 0%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Keywords50 tests/language/keywords/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Line Terminators82 tests/language/line-terminators/ | 95% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 82%V8: 100% |
| Literals719 tests/language/literals/ | 84% ChakraCore: 86%JavaScriptCore: 83%SpiderMonkey: 91%V8: 76% |
| Module Code584 tests/language/module-code/ | 82% ChakraCore: 43%JavaScriptCore: 94%SpiderMonkey: 93%V8: 99% |
| Punctuators22 tests/language/punctuators/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Reserved Words54 tests/language/reserved-words/ | 99% ChakraCore: 96%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Rest Parameters22 tests/language/rest-parameters/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Source Text2 tests/language/source-text/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
| Statements15,981 tests/language/statements/ | 73% ChakraCore: 51%JavaScriptCore: 77%SpiderMonkey: 78%V8: 84% |
| Types211 tests/language/types/ | 98% ChakraCore: 98%JavaScriptCore: 94%SpiderMonkey: 100%V8: 100% |
| White Space84 tests/language/white-space/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100% |
Test262