I am using Node.JS and I am using http to use an express server which then my WebSocket is on, but when I try to connect to the socket it gives me an 'Expected HTTP/' error.

My code:

const express = require('express');
const app = express();
const server = require('http').createServer(app);

app.get('/', (req, res) => {
    res.send("Hello World!");
});

const wss = new WebSocket.Server({ server });
// web socket stuff here

server.listen(port, () => {
    console.log(`HTTP Server started on port ${port}`);
});

And then on another Node project, I have this to connect:

const WebSocket = require('ws');
const ws = new WebSocket.WebSocket('ws://localhost:3000/ws');

Any help?