What does CORS mean?
CORS stands for Cross-Origin Resource Sharing. It is a browser security mechanism that controls whether a web page from one origin can access resources from another origin.
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More FAQs in What Is CORS and Why Does It Matter in React Development?
To prevent malicious websites from making requests to other sites on behalf of the user. Without CORS, any site could make requests to your bank or email using the user's cookies, which would be a serious security risk.
Because Postman is not a browser and does not enforce CORS. The browser blocks the response if the server did not allow your origin. The request reaches the server fine; the browser just refuses to hand you the response.
No. CORS is a browser security feature, not a bug in your code. The server did not grant your origin permission. The fix is on the server side or through a proxy, not in your frontend code.
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