Access to XMLHttpRequest at 'localhost:3000/user' from origin 'http://localhost:3001' has been blocked by CORS policy: code example
Example: Access to XMLHttpRequest at from origin HTTP localhost:3000 has been blocked by CORS policy
const cors = require('cors');
const corsOptions ={
origin:'http://localhost:3000',
credentials:true, //access-control-allow-credentials:true
optionSuccessStatus:200
}
app.use(cors(corsOptions));