Access-Control-Allow-Origin

Question

i'm using javascript fetch(url,

{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method:&nbsp;'GET',
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mode:&nbsp;'cors',&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cache:&nbsp;'no-cache',&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp; &nbsp; &nbsp; credentials:&nbsp;'same-origin',&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;headers:&nbsp;myHeaders,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;referrer:&nbsp;'no-referrer',&nbsp;&nbsp;&nbsp;}

Error:-Access to fetch at 'https://www.dropbox.com/s/v2pca6kq8nsqmso/abb5c48dae55560e4ae7d41af7bfdc50.jpg?raw=1' from origin 'http://localhost:8080' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

Greg-DB · Answer

query for dreambox Unfortunately, using dropboxusercontent.com is not officially supported, so I can't offer help with that.

ajaybaglane · Answer

pls help me&nbsp;&nbsp;

Greg-DB · Answer

[Cross-linking for reference:&nbsp;https://stackoverflow.com/questions/62718038/access-control-allow-origin-header-is-present-on-the-requested-resource&nbsp;]
&nbsp;
I see you already posted this on StackOverflow and got a response there. That response is correct,&nbsp;Dropbox doesn't allow CORS requests on www.dropbox.com.

query for dreambox · Answer

I am facing this issue with file served from dropboxusercontent.com, is this supposed to happen?

query for dreambox · Answer

What exactly is meant by not "officially supported", is Dropbox supposed to be used only for media content(e.g. images and video) storage but not static content(css JS and other files) because with no access-control-allow-origin all these file will be blocked by browsers ?

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