https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/loading-arcgis-map-in-mobile-safari-issue/m-p/1187288#M77792 <P>I've had an ongoing issue with my web application in mobile Safari in all versions of the JavaScript API from at least 4.13-4.23. Occasionally, I receive the JavaScript error "Cant find variable: require", followed by "null is not an object (evaluating 'Z.parentNode.insertBefore')". These errors are thrown in the ESRI libraries.</P><P>After this error, the map fails to load. This doesn't occur all the time and I can get the map to load if I refresh the page several times. It only occurs in mobile Safari from what I can see. I assume that something with Node is not loading when I try to load the ESRI library but I don't know how to get around this.</P><P>I am loading the ArcGIS libraries from <A href="https://js.arcgis.com/4.23/" target="_blank" rel="noopener">https://js.arcgis.com/4.23/</A>.</P> Tue, 28 Jun 2022 14:10:33 GMT MikeV 2022-06-28T14:10:33Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/loading-arcgis-map-in-mobile-safari-issue/m-p/1187288#M77792 <P>I've had an ongoing issue with my web application in mobile Safari in all versions of the JavaScript API from at least 4.13-4.23. Occasionally, I receive the JavaScript error "Cant find variable: require", followed by "null is not an object (evaluating 'Z.parentNode.insertBefore')". These errors are thrown in the ESRI libraries.</P><P>After this error, the map fails to load. This doesn't occur all the time and I can get the map to load if I refresh the page several times. It only occurs in mobile Safari from what I can see. I assume that something with Node is not loading when I try to load the ESRI library but I don't know how to get around this.</P><P>I am loading the ArcGIS libraries from <A href="https://js.arcgis.com/4.23/" target="_blank" rel="noopener">https://js.arcgis.com/4.23/</A>.</P> Tue, 28 Jun 2022 14:10:33 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/loading-arcgis-map-in-mobile-safari-issue/m-p/1187288#M77792 MikeV 2022-06-28T14:10:33Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/loading-arcgis-map-in-mobile-safari-issue/m-p/1187382#M77795 <P><a href="https://community.esri.com/t5/user/viewprofilepage/user-id/173205">@MikeV</a>are you able to reproduce the issue with this codepen: <A href="https://codepen.io/andygup/pen/LYdYybe?" target="_blank">https://codepen.io/andygup/pen/LYdYybe?</A></P> Tue, 28 Jun 2022 16:08:44 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/loading-arcgis-map-in-mobile-safari-issue/m-p/1187382#M77795 AndyGup 2022-06-28T16:08:44Z