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Accessing indexed DBs from different domains using CORS?

Somehow it's possible with CORS to access data in IndexedDB on domain A from domain B. I think the answer to this question pretty much applies to localStorage / sessionStorage as well.

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You cannot access one database from multiple domains, the scope is limited to html origin .

html_Origin = protocol + "://" + url + ":" + port + "/";


Additional explanation from Raymond Camden : CORS is HTTP requests to different servers. IndexedDB is not on another server - it is on the client.

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The API with indexDB is not available from various security design sources. However, you can transfer and transfer data between cross-origin documents via the postMessage API .



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