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In: Computer Science

Write a simple javascript program using express and node.js to create a simple webpage that can...

Write a simple javascript program using express and node.js to create a simple webpage that can lead to other pages within the program. if possible, Comment everything out so I could understand how every things works.  But basically, server should be hosted on localhost:8000 and should have a simple starting page. Maybe a welcome message, with at least two "links" that goes to a "homepage" and then a "exit" page.

Solutions

Expert Solution

Answer 1) Below is the javascript program using express and node.js. Below is app.js

// importing the express module

const express = require("express");

const app = express();

// when request is send to home page this returns the home.html

// That is when we type http://localhost:3000/ in URL of browser

app.get("/", function (req, res) {

  res.sendFile(__dirname + "/home.html");

});

// When request to contact page that is http://localhost:3000/contact in the URL

app.get("/contact", function (req, res) {

  res.sendFile(__dirname + "/contact.html");

});

// When request to about page that is http://localhost:3000/about in the URL

app.get("/about", function (req, res) {

  res.sendFile(__dirname + "/about.html");

});

// listen for request.

app.listen(3000, function () {

  console.log("server started at port 3000");

});

Code for home page is below.

<!DOCTYPE html>

<html lang="en">

  <head>

    <meta charset="UTF-8" />

    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <title>This is the home page</title>

  </head>

  <body>

    <h1>This is the Home Page of the Application.</h1>

    <h3>Welcome to the Online Aplication</h3>

    <button onclick="contactRedirect()">contact page</button>

    <button onclick="aboutRedirect()">about page</button>

    <script>

      

      function contactRedirect() {

        window.location.replace("http://localhost:3000/contact");

      }

      function aboutRedirect(){

        window.location.replace("http://localhost:3000/about");

      }

    </script>

  </body>

</html>

code for contact page

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Contact Page</title>

</head>

<body>

    <h1>This is the contact Page.</h1>

    <h3>Contact me at satwindersinghsaini</h3>

    <address>

        62 West Street

        New York

    </address>

</body>

</html>

code for about.html page

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>About Page</title>

</head>

<body>    

   <h1> I am Currently a student of computer Science engineering</h1>

   <h4>My hobbies are playing cricket, table tennis and coding.</h4>

</body>

</html>

CODE SCREENSHOTS

1) app.js

2) home.html

3) contact.html

4) about.html

OUTPUT SCREEN SHOTS

1) home page screen shot

2) contact page screen shot


venereology answered 5 months ago
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