gistfile1.txt

// Настройка CORS
app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header(
    "Access-Control-Allow-Headers",
    "Origin, X-Requested-With, Content-Type, Accept, Authorization"
  );
  res.header(
    "Access-Control-Allow-Methods",
    "GET, PATCH, PUT, POST, DELETE, OPTIONS"
  );
  next();
});


app.use((req, res, next) => {
  res.set("Access-Control-Allow-Origin", 'http://localhost:8080')
  res.set("Access-Control-Allow-Headers", 'Content-type')
  res.set("Access-Control-Allow-Methods", 'GET, POST')
  res.set("Access-Control-Allow-Credentials", true)
  res.removeHeader('X-Powered-By')
  next()
})

app.use(cors())