Test262 Report

About
BLACK LIVES MATTER

Filter Engines

JavaScript Engines

DecJan 2019FebMarAprMayJunJulAugSepOctNovDecJan 2020FebMarAprMayJunJulAug
All Features/ Optional Chaining/ Language Syntax
All Tests
New Features
Show pattern for JavaScript engine result barsChakraCoreJavaScriptCoreSpiderMonkeyV8Moddable XSHermesQuickJSengine262
Current folder:Language Syntax90 tests
language
(source)
83%
ChakraCore: 42%JavaScriptCore: 88%SpiderMonkey: 88%V8: 95%Moddable XS: 100%Hermes: 66%QuickJS: 91%engine262: 91%
Folder:		Expressions70 tests/optional-chaining/language/expressions/
82%
ChakraCore: 31%JavaScriptCore: 91%SpiderMonkey: 91%V8: 94%Moddable XS: 100%Hermes: 62%QuickJS: 91%engine262: 94%
Folder:		Statements20 tests/optional-chaining/language/statements/
86%
ChakraCore: 80%JavaScriptCore: 80%SpiderMonkey: 80%V8: 100%Moddable XS: 100%Hermes: 80%QuickJS: 90%engine262: 80%