No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘null’ is therefore not allowed access.
The Access-Control-Allow-Origin response header indicates whether the response can be shared with resources with the given origin or all origin check https: // developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin, i.e.,
Access-Control-Allow-Origin: * Access-Control-Allow-Origin: <origin>
Where origin is uri.
to set header in go use Header.Add:
Hope this answers your question.
thank you so much .
In case you prefer an implementation that’s easy to plug into a HTTP router, check this package.
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