Beyond JavaScript: The languages for the modern Web
summary
Starts with TypeScript to show how incremental typing catches nulls and malformed arrays without changing runtime code. Covers ClojureScript as a Lisp that gives code-as-data macros and immutable collections. Digs into Elm’s compiler-driven model: pure functions, enforced no runtime errors, a helpful type checker that points to typos, tiny output through tree shaking and built-in features like time‑travel debugging and semantic version checks so upgrades become safer. Concrete examples, compile errors and a working counter/todo app decide whether to watch.
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chapters (4)
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