On Tuesday, 13 May 2014 at 17:30:44 UTC, Nicolas F. wrote:
It also doesn't do multithreading, as far as I know.
HTML5 support Web Workers running in isolates.
Also three times slower for peak performance is not near-native.
They claim "1.5", but I think that is questionable.
The only good idea that I see in this is that it allows you to do client-side web-development without having to use JS.
If you have a framework that allows you to compile to PNACL, asm.js, iOS and Android using WebGL/OpenGL 2ES then you are pretty close to cross platform for interactive apps. Better than Flash, that's pretty good.
Unity apparently compiles to asm.js: http://beta.unity3d.com/jonas/AngryBots/