| V8
| es5
| windows/unix, .NET
| x86/x64/arm/mips
| fns inlining(only for bottlenecks), dead code removal, own stacktrace api, debugger statement
| Node.js, Google Chrome, akshell
|
|
| jscript
| es3
| windows/unix, x86/sparc
| no
| integration with ActiveX and VBScript, good msscript debugger
| Windows Script Host, IE8-
|
|
| jscript.NET
| es3
| .NET
| no
| integration with ActiveX, .NET CLR, build-in class paradigm, optional typing, import/export, strict compiler(check types, method existing, count of fn args etc)
|
|
|
| Chakra
| es5
| windows 7, x86/x64/arm
| x86/x64/arm
| dead code removal
| Internet Exporer 9+
|
|
| SpiderMonkey
| es5, part of es6(Proxy)
| windows/unix
| x86/x64/arm/mips/powerpc/sparc/sh4
| own extensions(import/export, yield, let, fn shortcut, object destruct), E4X(direct xml in code and easy manipulations)
| engine of all products of Mozilla/Netscape, SpiderNode, Adobe Acrobat, Adobe Flash Professional, Adobe Dreamweaver, Ultima Online, CouchDB, MongoDB, ELinks
| force of features invention for JS
|
| Rhino
| es5
| java
| compiled code - yes, eval/new Function - not
| integration with java platform, E4X, debugger
| ringojs, narwhaljs, Sun's lively kernel
|
|
| Narcissus
| es5, part of es6(module pattern)
| same as host engine
| no(js interpretor is written using js)
|
|
| experimental "engine" for TC39 for testing new es6 features
|
| Nitro/JavaScriptCore/SquirrelFish/KJS
| es5
| windows/unix
| x86/x64/arm/mips/sh4
|
| Apple's Safari, WebKit internal engine, QT framework
|
|
| Futhark/Linear B/Linear A
| es3
| windows/unix
| no
| Futhark only: [a, b] = [1, 2], 'x' and 'y' regexp's flags
| Opera web browser
|
|
| Carakan
| part of es5*
| windows/unix
| x86(sse2+)/x64/arm
|
| Opera web browser
| *w/o Object's methods, Function#bind and strict mode
|
| inscript
| es3
| macos
| no
|
| iCab web browser, early WebKit
|
|
| RemObjects Script
| es3
| .NET
|
|
|
|
|
| IronJS
| es3
| .NET
| no
|
|
|
|
| jurassic
| es5
| .NET
| yes
|
|
|
|
| tamarin
| es4
| windows/unix
| x86
| good dev tools from Adobe
| Flash platform, Mozilla/Netscape products
|
|
| jint
| most of es3
| .NET
| no
|
|
|
|
| ecmascript-net
| es3
| .NET
| no
| tail call optimization
|
| port of Rhino to .NET
|
| dmdscript
| es3
| windows/unix
| no
| goto statement
|
|
|
| besen
| es5
| windows/unix
| x86/x64
| Dead code elimination, Type inference
| author's games
|
|
| simple script engine
| es3
| windows/unix
| no
| region based mem allocation
| hv3 web browser
|
|