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//Frontend JS Code For Verification and Sending Data to Backend - 
SubmitBtn.addEventListener("click", async (e) => {
        
    if(registrationmEmail.value.match(/[^\s@]+@[^\s@]+\.[^\s@]+/gi)){
        
        let response = await fetch("http://localhost:3000/register", {
            method: "post",
            headers: {
                'Content-Type': 'application/json',  "Access-Control-Allow-Origin": "*"
              },
            body: JSON.stringify({registrationmEmail})
        })
        let data = await response.json();
        console.log(data)
    }
    
})
//Backend Code - 
const express = require("express");
const app = express();
const cors = require("cors");
app.use(express.json());
app.use(cors());

const PORT = 3000;
app.get("/", (req, res) => {
    res.json({message: "hello"})
})
app.post("/register", (req, res) => {
    let email = req.body.registrationmEmail;
    console.log(email);
    
})
app.listen(PORT, () => console.log(`app is listening on ${PORT}`));