socket.io blocked by CORS policy acces-control-allow-origin code example
Example: socket.io cors
const io = require("socket.io")(httpServer, { cors: { origin: "http://localhost:8080", methods: ["GET", "POST"] }});httpServer.listen(3000);const io = require("socket.io")(httpServer, { cors: { origin: "http://localhost:8080", methods: ["GET", "POST"] }});httpServer.listen(3000);