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React app on port: 3000 Express app on port: 3001 React: const url

= http://localhost:3001/api/;

const payload = { name: "john"}

const header = {
'Content-Type' : 'application/json',
'Authorization' : token,
'Access-Control-Allow-Origins' : '*'
}

const request = async () => {
const postData = await axios.post(url, payload, header)
}

Express:

const express = require ('express');
const cors = require ('cors');
const router = require('express'). Router ();

const app = express ();
app.use(cors);

router.post('/', async (req, res) => {
console.log(' post req ran')
}


The request with cors enabled just remains pending and without cors enabled fails!
Can anyone help out with this?

8 ответов

23 просмотра

1. It's Access-Control-Allow-Origin 2. That's a response header, not a request header, so the server must respond with it

3. I'm pretty sure that's NOT how you pass headers to axios

4. The router is never attached to your express app

router.post('/api',....)

5.

Y- Автор вопроса
Thomas
1. It's Access-Control-Allow-Origin 2. That's a re...

At the first time i didn't pass Access-Control-Allow-Origin header but no results

Y- Автор вопроса
Thomas
5.

This is a middle ware and router is working as when i don't pass payload and header, the server logs!

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