https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/access-to-xmlhttprequest-has-been-blocked-by-cors/m-p/1117380#M75306 <P>Hello everyone,</P><P>&nbsp;</P><P>I am getting this error message when I check the Console trace on google Krome:</P><P>Access to XMLHttpRequest at 'https://[Portal]/arcgis/sharing/rest/content/items/[WebMap]?f=json' from origin 'https://[developmentserver]' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.</P><P>&nbsp;</P> Tue, 16 Nov 2021 19:01:56 GMT JoseSanchez 2021-11-16T19:01:56Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/access-to-xmlhttprequest-has-been-blocked-by-cors/m-p/1117380#M75306 <P>Hello everyone,</P><P>&nbsp;</P><P>I am getting this error message when I check the Console trace on google Krome:</P><P>Access to XMLHttpRequest at 'https://[Portal]/arcgis/sharing/rest/content/items/[WebMap]?f=json' from origin 'https://[developmentserver]' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.</P><P>&nbsp;</P> Tue, 16 Nov 2021 19:01:56 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/access-to-xmlhttprequest-has-been-blocked-by-cors/m-p/1117380#M75306 JoseSanchez 2021-11-16T19:01:56Z