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
JQuery

Addition of Three Numbers in JQuery

I  wrote this simple program that I wrote using JQuery a JavaScript library to ask the user to give three numbers and then the program will sum the values of three numbers and display the results on the screen.
I am currently accepting programming work, 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
Sample Program Output
Program Listing

index.htm

<!doctype html>
<html>
<head>
     <script type='text/javascript' src='jquery/jquery.min.js'></script>
   <script type='text/javascript' src='add.js'></script>
</head>
<body>
 <h2> Addition of Three Numbers in JQuery </h2>
    <h4><i> Author Jake R. Pomperada,MAED-IT </i></h4>
 <br>
Enter the First number : <input id="first"><br>
Enter the Second number: <input id="second"><br>
Enter the Third number: <input id="third"><br><br>
The total sum is <input id="answer"><br><br>
<button id="btnAdd">Add</button>
<button id="btnClear">Clear</button>

</body>
</html>

add.js

// Code By Jake R. Pomperada,MAED-IT
// February 25, 2020

$(document).ready(function(){

$("#btnAdd").click(function(){
  var a,b,c;
a=Number(document.getElementById("first").value);
b=Number(document.getElementById("second").value);
c=Number(document.getElementById("third").value);
d= a + b+c;
document.getElementById("answer").value= d;

});



$("#btnClear").click(function(){

 document.getElementById('first').value="";
 document.getElementById('second').value="";
 document.getElementById('third').value="";
 document.getElementById('answer').value="";
 document.getElementById('first').focus();

});
});
Categories
JavaScript

Kilogram To Ounce Converter in JavaScript

I wrote this program to ask the user to give kilogram value and then it will convert into ounce weight equivalent using JavaScript programming language.

I am currently accepting programming work, 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, 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

Sample Program Output

Program Listing

index.html

<html>
  <head>
   <title>Kilogram To Ounce Converter in JavaScript</title>
  </head>
  <body>
  	 <style>
      body {
       font-family: arial;
       font-size: 20px;
       font-weight: bold;
      }
   </style>
<script type="text/javascript">
   function forward() {
      with (document.convert) {
	 unit1.value = unit1.value.toString().replace(/[^\d\.eE-]/g,'');
	 if (unit1.value/0.0252 != 0) {
	    unit2.value = (unit1.value/0.0252).toFixed(2);
	 }
      }
   }
   function backward() {
      with (document.convert) {
	 unit2.value = unit2.value.toString().replace(/[^\d\.eE-]/g,'');
	 if (unit2.value*0.0252 != 0) {
	    unit1.value = (unit2.value*0.0252).toFixed(2);
	 }
      }
   }
</script>

<h4></h4>
<noscript><p><font color="red"><strong>Please enable Javascript
to use the unit converter</strong></font></p></noscript>
<form name="convert" style="font-size:1.3em;border:solid 1px #B7D7AF;border-radius:7px;background-color:#EEEEEE;margin-right:10px;padding-left:10px;padding-right:10px">
<br />
<tr>
<td><strong>Kilogram To Ounce Converter in JavaScript</strong></td></tr>
<table border="0" cellpadding="7" cellspacing="0">

<tr>
	<td><input type="number" step="0.1" name="unit1" style="width:200px;font-size:1em" onchange="forward()" value=""></td><td><strong>Kilogram</strong></td></tr>
<tr><td><input type="number" step="0.1" name="unit2" style="width:200px;font-size:1em" onchange="backward()" value=""></td><td><strong>Ounce</strong></td></tr>
<tr><td><input type=button value="Convert" style="font-size:1em;margin-bottom:15px" onclick="forward()"></td></tr></table>
</form>
</body>
</html>
Categories
JavaScript

Product of Two Numbers in JavaScript

I wrote this program using JavaScript to ask the user to give two numbers and then the program will compute the product of two numbers and display the results using an alert dialog box in JavaScript.

I am currently accepting programming work, 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, 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
Sample Program Output

Program Listing

index.html

<html>
  <head>
   <title>Product of Two Numbers in JavaScript</title>
  </head>
  <style>
      body {
       font-family: arial;
       font-size: 20px;
       font-weight: bold;
      }
   </style>
  <body>
  	
<script>
function product(){
var num1=document.form.text1.value;
var num2=document.form.text2.value;
var sum=Number(num1)*Number(num2);
alert("The product between " + num1 + " and " + num2 + " is " + sum + ".");
}
</script>
<form name="form"><br>
	<h4>Product of Two Numbers in JavaScript</h4>
<table>
<tr>
<td>Enter First Number:</td>
<td><input type="text" name="text1"></td>
</tr>
<tr>
<td>Enter Second Number:</td>
<td><input type="text" name="text2"></td>
</tr>
<tr>
<tr></tr><tr></tr>
<td><input type="button" value="Solve For Product" onclick="product();"></td>
</tr>
</table>
</body>
</html>