 | Promise.prototype.catch28 tests/built-ins/Promise/prototype/catch/ | 100% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 100%V8: 100%Moddable XS: 100%QuickJS: 100%engine262: 100% |
| Promise.prototype.finally56 tests/built-ins/Promise/prototype/finally/ | 96% ChakraCore: 82%JavaScriptCore: 100%SpiderMonkey: 96%V8: 96%Moddable XS: 100%QuickJS: 100%engine262: 100% |
| Promise.prototype.then146 tests/built-ins/Promise/prototype/then/ | 99% ChakraCore: 100%JavaScriptCore: 100%SpiderMonkey: 97%V8: 97%Moddable XS: 99%QuickJS: 100%engine262: 100% |
 | no-promise-state.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 |
| prop-desc.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 |
| proto.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 |
| Promise prototype exists SD S25.4.4.2_A1.1_T1.js |
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2 |
| Promise.prototype.constructor is the Promise constructor SD S25.4.5_A3.1_T1.js |
ChakraCore: 2 of 2JavaScriptCore: 2 of 2SpiderMonkey: 2 of 2V8: 2 of 2Moddable XS: 2 of 2QuickJS: 2 of 2engine262: 2 of 2 |
| Symbol.toStringTag.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 |
Test262
ChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSQuickJSengine262
