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Re:ElectronJS alternative: SciterJS – HTML/CSS/JS in 4.5 MB ... by nly on Friday October 16, 2020 @03:08AM (#24798344)
Very much in the same vein as Duktape[0]. It looks like Duktape is smaller and has a more useful standard library, but is slower and doesn't support ES2020 features.

https://duktape.org/index.html

https://bellard.org/quickjs/bench.html

Re:ElectronJS alternative: SciterJS – HTML/CSS/JS in 4.5 MB ... by inque3d on Friday October 16, 2020 @03:32AM (#24798493)
Not just es2020, Duktape doesn't even support arrow functions and classes.

QuickJS seems interesting, but I couldn't manage to compile it on Windows (without MSYS2).

Re:ElectronJS alternative: SciterJS – HTML/CSS/JS in 4.5 MB ... by kjksf on Friday October 16, 2020 @04:02AM (#24798671)
You can use this fork for msvc support: https://github.com/c-smile/quickjspp
Re:ElectronJS alternative: SciterJS – HTML/CSS/JS in 4.5 MB ... by horsawlarway on Friday October 16, 2020 @02:28PM (#24803581)
Duktape supports ES5, with only partial support for anything ES6+ (and not much partial support, at that).

That said - having used Duktape in production, it's a very handy little library. Small, easy to drop into projects, great way to add support for custom user scripts or to run js code somewhere outside of a browser context.

Also - insanely easy to target still, despite the lack of ES6+, as long as you already have babel somewhere in your build pipeline.

Re:ElectronJS alternative: SciterJS – HTML/CSS/JS in 4.5 MB ... by nly on Friday October 16, 2020 @03:59AM (#24798651)
c-smile (author of Sciter) maintains a MSVC compatible fork https://github.com/c-smile/quickjspp/