![jquery - Why does my JavaScript code receive a "No 'Access-Control-Allow- Origin' header is present on the requested resource" error, while Postman does not? - Stack Overflow jquery - Why does my JavaScript code receive a "No 'Access-Control-Allow- Origin' header is present on the requested resource" error, while Postman does not? - Stack Overflow](https://i.stack.imgur.com/8ITev.png)
jquery - Why does my JavaScript code receive a "No 'Access-Control-Allow- Origin' header is present on the requested resource" error, while Postman does not? - Stack Overflow
![Access Control Allow Origin header missing on preflight check on cold start - Dgraph Cloud / Slash GraphQL - Discuss Dgraph Access Control Allow Origin header missing on preflight check on cold start - Dgraph Cloud / Slash GraphQL - Discuss Dgraph](https://canada1.discourse-cdn.com/standard30/uploads/dgraph/original/2X/e/ef1e0f9ad548dc67d641f35061428c17daafcc03.png)
Access Control Allow Origin header missing on preflight check on cold start - Dgraph Cloud / Slash GraphQL - Discuss Dgraph
![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. 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.](https://user-images.githubusercontent.com/43797095/103144586-90d02980-4702-11eb-9383-a6017b91bf7a.jpg)