Categories
JavaScript

Multiply and Division of Two Numbers in JavaScript

 I wrote this simple program to ask the user to give two numbers and then the program will compute the product and quotient of two numbers 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 at 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 [email protected], [email protected], and [email protected]

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 I also accepting computer repair, networking, and Arduino Project development at a very affordable price. My website is www.jakerpomperada.blogspot.com and www.jakerpomperada.com

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Thank you very much.

Program Listing

<!DOCTYPE html>
<html> 
<head>
<meta charset=utf-8 />
<title>Multiply and Division of Two Numbers in JavaScript </title>
<style type="text/css">
body {
    background-color: lightgreen;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bolder;
    }
</style> 
</head>
<script>
    function multiply()
{
        num1 = document.getElementById("firstvalue").value;
        num2 = document.getElementById("secondvalue").value;
        document.getElementById("result").innerHTML = num1 * num2;
}

function divide()
{ 
        num1 = document.getElementById("firstvalue").value;
        num2 = document.getElementById("secondvalue").value;
        solve_divide = num1/num2;
        document.getElementById("result").innerHTML = solve_divide.toFixed(2);
}

function clear_all()
{
    document.getElementById("firstvalue").value="";
    document.getElementById("secondvalue").value="";
    document.getElementById("result").innerHTML = ""
    document.getElementById("firstvalue").focus();
}

</script>
<body>
   <h3>Multiply and Division of Two Numbers in JavaScript </h3>
   <p> Create By Mr. Jake R. Pomperada,MAED-IT, MIT </p><br>
<form>
First  Value  :  <input type="text" id="firstvalue" /><br>
Second Value  :  <input type="text" id="secondvalue" /><br><br>
<input type="button" onClick="multiply()" Value="Multiply" 
 title="Click here to multiply the two given numbers."/>
<input type="button" onClick="divide()" Value="Divide" 
title="Click here to divide two given numbers."/> &nbsp;
<input type="button" onClick="clear_all()" Value="Clear" 
title="Click here to clear the textbox."/>
</form><br>
<p>The Result is 
<span id = "result"></span>
</p>
</body>
</html>
Categories
JavaScript

Swapping Two Numbers in JavaScript

I will show you how to write a JavaScript program to ask two numbers and then the program will swap the arrangement of the two numbers. 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 [email protected], [email protected], and [email protected]
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 I also accepting computer repair, networking and Arduino Project development at a very affordable price.


Program Listing

<!DOCTYPE html>
<html>
<head>
<script>
function swapping(){
var a,b,c;
a=Number(document.getElementById("first").value);
b=Number(document.getElementById("second").value);
c=a;
a=b;
b=c;
document.getElementById("answer1").value= a;
document.getElementById("answer2").value= b;
}

function clear_all(){
document.getElementById("first").value= "";
document.getElementById("second").value= "";
document.getElementById("answer1").value= "";
document.getElementById("answer2").value= "";
document.getElementById("first").focus();
}
</script>
<style>
	body {
		font-family: arial;
		size : 15px;
	};
</style>
</head>
<body>
<h2> Swapping Two Numbers in JavaScript </h2>
<h3> Before Swapping of Two Numbers </h3>
Give First Value  : <input id="first" 
onkeypress="return event.charCode >= 48 && event.charCode <= 57">
Give Second Value : <input id="second" 
onkeypress="return event.charCode >= 48 && event.charCode <= 57"></br></br>
<button onclick="swapping()">Swap</button>
&nbsp;&nbsp;
<button onclick="clear_all()">Clear</button></br></br>
<h3> After Swapping of Two Numbers </h3>
Give First  Value  : <input id="answer1"
onkeypress="return event.charCode >= 48 && event.charCode <= 57" readonly>
Give Second Value  :  <input id="answer2"
onkeypress="return event.charCode >= 48 && event.charCode <= 57" readonly>
</body>
</html>
Categories
C

Print tables from 2 to 10 by using nested for loop in C

Print tables from 2 to 10 by using nested for loop in C programming language were written by my close friend and fellow software engineer Sir Ernel. Thank you sir Ernel  for sharing your work with us.
I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, website design and development using WordPress, 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 [email protected], [email protected], and [email protected] 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.comI am also a book author you can purchase my books on computer programming and information technology in the following links below.https://www.unlimitedbooksph.com/

Program Listing

#include<stdio.h>
int main()
{
int num,i;
for(num=2;num<=10;num++)
{
printf("\nTable of %d\n",num);
for(i=1;i<=10;i++)
{
printf("\n%d * %d =%d",num,i,num*i);
}
printf("\n");
}
return 0;
}
Categories
JavaScript

Basic Animation in JavaScript and CSS

This program shows how to write a program to perform basic computer animation using JavaScript and CSS. This program is being written by my good friend and fellow software engineer Sir Ernel G. Fadriquilan thank you very much, Sir, for sharing your code to us.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, website design and development using WordPress, 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 [email protected], [email protected], and [email protected]

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.unlimitedbooksph.com/


Program Listing

index.html

<!DOCTYPE HTML>
<html>
<head>
<title>
Youtube
</title>
<style>
#container{
position: relative;
background-color: red;
border: 1px solid black;
height: 300px;
width: 300px;
}
#box{
position: absolute;
background-color: rgb(0,0,75);
border: 1px solid black;
height: 50px;
width: 50px;
margin: 2px;
}
</style>
</head>
<body>
<div id="container">
<div id="box">
This box Is move Down
</div>
</div>
<button onclick="down()">down</button>
<button id="butt" style="float: right">Stop</button>
<script>
function down()
{
var pos =0;
var box = document.getElementById("box");
var op = setInterval(boxes, 50);
function boxes(){
if(pos >= 240){
clearInterval(op);
var ii = document.createElement("h4");
var txt = document.createTextNode("now you know");
ii.appendChild(txt);
var con = document.getElementById("container");
con.appendChild(ii);
}
else{
pos+= 1;
box.style.top = pos+"px";
}
var oi = document.getElementById("butt").addEventListener("click", function(){
clearInterval(op);
});
}
}
</script>
</body>

</html>
Categories
JavaScript

Feet To Inches Converter Vice Versa in JavaScript

A simple program that I wrote using JavaScript programming language to ask value in feet or inches and it will convert it into feet or inches equivalent.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, website design and development using WordPress, 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 [email protected], [email protected], and [email protected]

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
<hmtl>
<head>
  <title>Feet To Inches Converter  Vice Versa in JavaScript</title>
 </head>
 <style>
   body {
    font-family:arial;
    size:12px;
  }
 </style>
<body onload="init()">
  <p>Feet To Inches Converter Vice Versa in JavaScript</p>
  <table cellspacing="6">
    <tr valign="top">
      <td><input id="feet" size="20" onfocus="reset()" /><br />Feet</td>
      <td><input type="button" value="Ok" onclick="convert()" title="Click here to convert" /></td>
      <td><input id="inches" size="20" onfocus="reset()" /><br />Inches</td>
      <td><input type="button" value="Clear All" onclick="reset()" title="Click here to clear the text box." /></td>
    </tr>
  </table>
  <script>
  
  var feet, inches;

function init(){
  feet = document.getElementById('feet');
  inches = document.getElementById('inches');
}

function reset(){
  feet.value = "";
  inches.value = "";
}

function convert(){
  var f = feet.value.replace(/ /, "");
  if (f){
    inches.value = f * 12;
  }
  
  var i = inches.value.replace(/ /, "");
  if (i){
    feet.value = i / 12;
  }
}

</script>
</body>
</html>
Categories
C

Perfect Square Checker in C Language

A simple program that I wrote to ask the user to give a number and then the program will check if the given number by the user is a perfect square or not.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, website design and development using WordPress, 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 [email protected], [email protected], and [email protected]
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
/* perfect_square.c
   Jake R. Pomperada
   December 25, 2019 
   Wednesday   */

#include<stdio.h>

int main()
{
    printf("\n\n");
	printf("\tPerfect Square Checker in C Language");
    printf("\n\n");
      int i=0, number=0;
    printf("\tGive a Number : ");
    scanf("%d", &number);

   
    for(i = 0; i <= number; i++)
    {
        if(number == i*i)
        {
            printf("\n");
            printf("\tThe given number %d is a Perfect Square Number.",number);
            return 0;  
        }
    }
     printf("\n");
     printf("\tThe given number %d is Not Perfect Square Number.",number);
     printf("\n");
     printf("\tEnd of Program");
     printf("\n");
}
Categories
JavaScript

Inches To Centimeter Converter in JavaScript

I wrote this program to accept values in inches and then convert it into centimeter values using JavaScript programming language.

I am currently accepting programming work inventory system, enrollment system, accounting system, payroll system, information system, website design and development using WordPress, 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 [email protected], [email protected], and [email protected]
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
<hmtl>
<head>
  <title>Inches To Centimeter Converter in JavaScript</title>
 </head>
 <style>
   body {
    font-family:arial;
    size:12px;
  }
 </style>
<body onload="init()">
  <p>Inches To Centimeter Converter in JavaScript</p>
  <table cellspacing="6">
    <tr valign="top">
      <td><input id="inch" size="20" onfocus="reset()" /><br />Inches</td>
      <td><input type="button" value="Ok" onclick="convert()" title="Click here to convert" /></td>
      <td><input id="cm" size="20" onfocus="reset()" /><br />Centimeter</td>
      <td><input type="button" value="Clear All" onclick="reset()" title="Click here to clear the text box." /></td>
    </tr>
  </table>
  <script>
  
  var inf, cmf;

function init(){
  inf = document.getElementById('inch');
  cmf = document.getElementById('cm');
}

function reset(){
  inf.value = "";
  cmf.value = "";
}

function convert(){
  var i = inf.value.replace(/ /, "");
  if (i){
    cmf.value = i * 2.54;
  }
  
  var c = cmf.value.replace(/ /, "");
  if (c){
    inf.value = c / 2.54;
  }
}

</script>
</body>
</html>
Categories
JavaScript

Do-While Loop Using JavaScript

I wrote this program to ask the user to give a number and then it will display the series of numbers using the do-while loop statement in JavaScript programming language.

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 [email protected], [email protected], and [email protected]
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
<html>
 <head>
   <title>Do-While Loop Using JavaScript</title>
</head>   
<style>
    body {
        font-family: Arial, Helvetica, sans-serif;
        size:15px;
    }
</style>
<body>

    <h2>Do-While Loop Using JavaScript</h2>
    <p> Written By Jake R. Pomperada</p>
    
   Give a Number &nbsp;&nbsp;<input id="num_val" value="" />


     <br><br>
    <button onclick="Check()">Ok</button>
    <br>
    <p id="demo"></p>
    
    <script>
        // March 22, 2020    3:08 PM
        // Bacolod City, Negros Occidental
    function Check() {
      var num_val, result="";
      var i = 1;
      num_val = Number(document.getElementById("num_val").value);
       
       do 
       {
          result += "<br>The number is " + i +".";
          i++;
       } while (i <= num_val);

      document.getElementById("demo").innerHTML = result;
    }
    </script>
</body>
</html>
Categories
JavaScript

While Loop Using JavaScript

I wrote this program to ask the user to give a number and then it will display the series of numbers using while loop statement in JavaScript programming language.

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 [email protected], [email protected], and [email protected]
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
<html>
 <head>
   <title>While Loop Using JavaScript</title>
</head>   
<style>
    body {
        font-family: Arial, Helvetica, sans-serif;
        size:15px;
    }
</style>
<body>

    <h2>While Loop Using JavaScript</h2>
    <p> Written By Jake R. Pomperada</p>
    
   Give a Number &nbsp;&nbsp;<input id="num_val" value="" />


     <br><br>
    <button onclick="Check()">Ok</button>
    <br>
    <p id="demo"></p>
    
    <script>
        // March 22, 2020    2:30 PM
        // Bacolod City, Negros Occidental
    function Check() {
      var num_val, result="";
      var i = 1;
      num_val = Number(document.getElementById("num_val").value);
       
      while (i <= num_val) {
          result += "<br>The number is " + i +".";
          i++;
       }

      document.getElementById("demo").innerHTML = result;
    }
    </script>
</body>
</html>
Categories
JavaScript

Qualified To Vote Using JavaScript Ternary Operator

I wrote this simple program using JavaScript to ask the user to give a age of the user the program will determine if the user qualified to vote or not in the next election. Assume that the voting age to qualify to vote is 18 years old and above.
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 [email protected], [email protected], and [email protected]


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 screenshot if the given age of the user is below 18 years old.
Sample screenshot if the given age of the user is 18 years old and above.
<html>
 <head>
   <title>Qualified To Vote Using JavaScript Ternary Operator</title>
</head>   
<style>
    body {
        font-family: Arial, Helvetica, sans-serif;
        size:15px;
    }
</style>
<body>

    <h2>Qualified To Vote Using JavaScript Ternary Operator</h2>
    <p> Written By Jake R. Pomperada</p>
    
    What is your age? &nbsp;&nbsp;<input id="age" value="" />


     <br><br>
    <button onclick="Check()">Ok</button>
    <br>
    <p id="demo"></p>
    
    <script>
    function Check() {
      var age, voteable;
      age = Number(document.getElementById("age").value);
      if (isNaN(age)) {
        voteable = "Age input is not a number. Try Again.";
      } else {
        voteable = (age < 18) ? "You are not allow to vote still young." : "You are qualified to vote.";
      }
      document.getElementById("demo").innerHTML = voteable;
    }
    </script>
</body>
</html>