Access to XMLHttpRequest at 'http://localhost:8090/user/getotp' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

Access to XMLHttpRequest at '*url*' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. GET *url* net::ERR_FAILED

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Access to XMLHttpRequest at 'XXX' from origin 'XX' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present o AJAX跨域請求解決方法

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

No 'Access-Control-Allow-Origin' header is present on the requested resource.

Access to XMLHttpRequest at 'http://localhost:8090/user/getotp' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

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