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Blurry? Not sure what you mean. Anyway, SqueakJS can do whatever JS stuff you like. For example, it's using jQuery UI to make the windows draggable. I'm working on voxel.js and React demos at the moment. Thanks for checking it out! Craig
Before anything else, this is a great project; always excited with Smalltalk -> JS projects. I noticed some blurriness as well, I wonder if it's an issue with Retina displays? I uploaded a screenshot here if it's helpful: http://imgur.com/a/NxhQp
Yes, on retina plain SqueakJS uses half the resolution, and by default the canvas interpolates. It looks sharper if you force pixel doubling: https://squeak.js.org/run/#url=https://freudenbergs.de/bert/... (by appending the pixelated flag to the url) but this looks worse when scaled, e.g. on iPad, so it's not the default. Caffeine, however, does support an HTML canvas - just try the included example which opens a workspace in HTML.