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Q: How can cross-origin requests (CORS) be implemented?

A: Cross-origin requests can be implemented using the following methods:

  1. JSONP (JSON with Padding): A technique that works by loading a script from a different domain, bypassing the same-origin policy.
  2. CORS (Cross-Origin Resource Sharing): A standard mechanism that allows servers to specify who can access their resources. It involves sending HTTP headers like Access-Control-Allow-Origin.
  3. Nginx Proxy: A server-side solution where a reverse proxy (like Nginx) forwards requests to the target server, effectively hiding the cross-origin nature of the request.