In short
A JavaScript compiler that transforms modern syntax (and JSX/TypeScript) into a version compatible with older browsers or environments.
How to learn this
- 1Paste some modern JS into the Babel REPL and see the compiled output.
- 2Learn what a Babel 'preset' (like `@babel/preset-react`) actually does.
- 3Understand how Babel differs from a bundler — it transforms code, it doesn't bundle files.
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