Скачать или смотреть REDDIT | CORS | Node.js |

Ever tried calling Reddit’s backend APIs from your laptop and got blocked? That’s because of CORS (Cross-Origin Resource Sharing) — a browser security mechanism that decides which domains can talk to a server. In this video, we’ll break down how CORS works, why it’s important, and see a simple Node.js + Express demo that allows only specific origins (like https://reddit.com) to access the API. Learn how web security rules protect your backend from unwanted cross-site requests.

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