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No 'Access-Control-Allow-Origin' header

Question asked by tangguixiang on Aug 11, 2018
Latest reply on Aug 11, 2018 by rscheitlin

When i use arcgis api for js 4.7,it meet this problem:No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:8080' is therefore not allowed access.,do anyone know how to resolve it?