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SmallJS: Smalltalk-80 that compiles to JavaScript


Welcome to SmallJS ! 18-AUG-2025: SmallJS v1.7 has been released! The source code is here: github.com/small-js/smalljs Here's an overview presentation of SmallJS: Why SmallJS? SmallJS is a free and open source implementation of the elegant and powerful Smalltalk-80 (ST) language. It compiles to JavaScript (JS) that runs in modern browsers or in Node.js.

SmallJS is a free and open source implementation of the elegant and powerful Smalltalk-80 (ST) language. The default setup is for Visual Studio Code, with ST syntax coloring and step debugging! You code separately from the SmallJS base libraries (image) and only the parts you use are imported automatically when running your app.

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