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Andrew-Marty00shenko2020-11-08 02:37:11
Andrew-Marty00shenko, 2020-11-08 02:37:11
I can't connect socket.io to node.js, what should I do?
Access to XMLHttpRequest at ' localhost:3000/socket.io/?EIO=3&transport=polling&... ' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
index.js:83 GET localhost:3000/socket.io/?EIO=3&transport=polling&... net::ERR_FAILED
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