Preperation

1. To-do Create
2. To-do Read
3. To-do ordering sort Update
4. To-do done Update
5. To-do cancel done Update
6. Login
7. Register

Ready API server

Install npm module

npm init

npm i express -S

Create app.js

const express = require('express');

const app = express();
const router = express.Router();

router.get("/", (req, res) => {
    res.send("Hi!");
});

app.use('/api', express.json(), router);

app.listen(8080, () => {
    console.log("listening at <http://localhost:8080>");
});

Add Frontend file