Fetch post

 React App.js file 

import './App.css';

import Form from './components/Form';

import Header from './components/Header';

import Fetch from './components/Fetch';

import { useEffect, useState } from 'react';

function App() {

  const [count,setCount]=useState([]);

  const handleAddProduct=()=>{

    fetch('http://localhost:5000/p',{

      method:"POST",

      headers:{

        'Content-Type':'application/json'

      },

      body:JSON.stringify({'name':'Rifat'})

    })

  }

  return (

    <>

    <div>

     <button onClick={handleAddProduct}>Click</button>

    </div>

   

    </>

  );

}

export default App;

Nodejs app.js file

const express=require('express');

const app=express();

const PORT=process.env.PORT||5000;

const route=require('./paths');

const cors=require('cors');

const bodyParser=require('body-parser');

app.use(bodyParser.json());

app.use(cors());

app.post('/p',(req,res)=>{

    console.log(req.body);

    res.send('Thanks for calling me');

})

app.listen(PORT,()=>{

    console.log("server is running at "+PORT)

});