Categories
NodeJS

Hello World Using NodeJS and ExpressJS

A simple hello world program that I wrote using NodeJS and ExpressJS JavaScript frameworks.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, IT projects, school and application development, programming projects, thesis, and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod City, Negros Occidental I also accepting computer repair, web development using WordPress, Computer Networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.comMy programming website is http://www.jakerpomperada.blogspot.com


I am also a book author you can purchase my books on computer programming and information technology in the following links below.
https://www.mindshaperspublishing.com/
https://www.unlimitedbooksph.com/

Executing the NodeJS server
Sample Program Output
// demo.js
var express = require('express');
var app = express();
app.get('/', function (req, res) {
  res.send('Hello World! Jake Pomperada');
  
});
app.listen(3000, function () {
  console.log('Example app listening on port 3000!');
});
Categories
NodeJS

Positive and Negative Number Checker in NodeJS

I wrote this simple program using NodeJS to ask the user to give a number and then the program will check and determine if the given number is a positive or negative number.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, IT projects, school and application development, programming projects, thesis, and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.
My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.


Here in Bacolod City, Negros Occidental I also accepting computer repair, web development using WordPress, Computer Networking and Arduino Project development at a very affordable price.
My personal website is http://www.jakerpomperada.com

My programming website is http://www.jakerpomperada.blogspot.com

I am also a book author you can purchase my books on computer programming and information technology in the following links below.
https://www.mindshaperspublishing.com/
https://www.unlimitedbooksph.com/

Sample Program Output
// num.js
/* Positive and Negative Number Checker in NodeJS    */
/* March 22,2020  Thursday   4:57 PM  */
// Bacolod City,Negros Occidental Philippines
/* Written By: Mr. Jake R. Pomperada   */

var readline = require('readline');

var rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

console.log('\n');
console.log('Positive and Negative Number in NodeJS\n');
console.log('Author : Jake R. Pomperada');
console.log('\n');
rl.question('Enter first value : ', function (x) {
    var a = parseInt(x);


    if (isNaN(a))      {
        console.log('\n');
        console.log("The given value is not a number. Try Again.");
      } else if (a>=0) {
        console.log('\n');
        console.log('The given number ',a, ' is a Positive Number.');
      }
      else {
        console.log('\n');
        console.log('The given number ',a, ' is a Negative Number.');
      }
      console.log('\n');
      console.log('End of Program');
      rl.close();
    
});
Categories
NodeJS

Product of Two Numbers in NodeJS

A simple program to ask the user to give two numbers and then the program will compute the product of two numbers using NodeJS.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, IT projects, school and application development, programming projects, thesis, and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.
My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.


Here in Bacolod City, Negros Occidental I also accepting computer repair, web development using WordPress, Computer Networking and Arduino Project development at a very affordable price.


My personal website is http://www.jakerpomperada.com

My programming website is http://www.jakerpomperada.blogspot.com
I am also a book author you can purchase my books on computer programming and information technology in the following links below.
https://www.mindshaperspublishing.com/
https://www.unlimitedbooksph.com/

Sample Program Output
/* product.js                          */
/* Product of Two Numbers in NodeJs    */
/* March 22,2020  Thursday   14:34 PM  */
/* Written By: Mr. Jake R. Pomperada   */


var readline = require('readline');

var rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

console.log('\n');
console.log('Product of Two Numbers in NodeJS\n');
console.log('Author : Jake R. Pomperada');
console.log('\n');
rl.question('Enter first value : ', function (x) {
   rl.question('Enter  second value : ', function (y) {
  var a = parseInt(x);
  var b = parseInt(y);
        var product = (a*b);
  
       console.log('\n');
       console.log('The product of ',a, ' and ',b, ' is ' ,product,'.');
    console.log('\n');
       console.log('End of Program');
        rl.close();
    });
});