React Project Tutorial – Build an AI Code Explainer
SMRTR summary
FreeCodeCamp released a new tutorial teaching developers how to build an AI-powered code explainer using React 19 and large language models. The one-hour course covers creating an Express.js backend that connects to an LLM, building a modern React 19 frontend with new features like useActionState, and integrating everything into a working app that transforms complex code snippets into beginner-friendly explanations.
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