8/10/2021 9:46 AM | |
Posts: 1 Rating: (0) |
Access-Control-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header. The error you get is due to the CORS standard, which sets some restrictions on how JavaScript can perform ajax requests. When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. By default, Site B's pages are not accessible to any other origin; using the Access-Control-Allow-Origin header opens a door for cross-origin access by specific requesting origins. For each resource/page that Site B wants to make accessible to Site A, Site B should serve its pages with the response header: Access-Control-Allow-Origin: http://siteA.com |
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