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Elm stands out in this regard, as it gives fairly robust guarantees of no runtime errors, so the debugging you'll do when working with Elm will almost always be limited to its compiler or Elm Debugger. The price to pay for this is limited interoperability with JS, but it may be acceptable to trade interop for type safety, depending on the use case.

Generally, the alt-js languages provide 'source maps' so that developer tools know to map errors in the 'transpiled' code to their source, and it's possible to avoid JS to a practical degree.




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