app.js

const express = require("express");
const bodyParser = require("body-parser");

const app = express();

app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static("public"));
var items = [];

app.get("/", function (req, res) {
    var days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
    var months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
    var d = new Date();
    var dayName = days[d.getDay()];
    var date = d.getDate();
    var monthName = months[d.getMonth()];
    var year = d.getFullYear();
    var formattedDate = `${dayName}, ${date} ${monthName} ${year}`;
    res.render("list", { currDay: formattedDate, newListItem: items });

});

app.post("/", function (req, res) {
    var item = req.body.newItem;

    console.log(item);

    if (item == '') {
        res.send('<script>alert("Please write something"); window.location="/";</script>');
    }
    else {
        items.push(item);
        res.redirect("/");
    }



});
app.listen(3000, function () {
    console.log("server started on port 3000");
})