My web client application is setting HTTP POST requests via fetch API.
I see that OPTIONS preflight requests are sent via debugging proxy (Charles Proxy), but they are not displayed in Google Chrome Developer Tools\Network tab.
I don't have …
Mod note: This question is about why Postman is not subject to CORS restrictions in the same way an XMLHttpRequest is. This question is not about how to fix a "No 'Access-Control-Allow-Origin'..." error.
Please stop posting:
CORS configurations for every …
Apparently, I have completely misunderstood its semantics. I thought of something like this:
A client downloads javascript code MyCode.js from http://siteA - the origin.
The response header of MyCode.js contains Access-Control-Allow-Origin: http://siteB, which I thought meant …