A simple program that I wrote using Javascript to ask the user to give a number and then our program will display the factors of the given number.
My mobile number here in the Philippines is 09173084360.
I am currently accepting programming and web development work kindly contact me in the following email address for further details. Thank you.
My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.
Sample Program Output
Program Listing
index.htm
<!--
Written By Mr. Jake R. Pomperada, MAED-IT
February 11, 2018 04:24 PM Sunday
Bacolod City, Negros Occidental Republic of the Philippines
jakerpomperada@yahoo.com and jakerpomperada@gmail.com -->
<!doctype html>
<html>
<head>
<title>Factors of a Number in JavaScript </title>
<style>
.art {
font-family: arial;
font-weight: bold;
color:red;
text-align: center;
width:60%;
background-color:yellow;
}
.art2 {
font-family: arial;
font-weight: bold;
font-size: 25px;
color:blue;
text-align: center;
width:45%;
background-color:lightgreen;
}
body {
font-family: arial;
font-weight: bold;
font-size: 20px;
}
#button_me {
background-color: #008CBA;
font-family: arial;
font-weight: bold;
font-size: 20px;
height: 50px;
width: 120px
text-align: center;
cursor: pointer;
}
input[type=text] {
font-family: arial;
font-weight: bold;
font-size: 20px;
}
</style>
<script>
function factors(n)
{
var num_factors = [], i;
for (i = 1; i <= Math.floor(Math.sqrt(n)); i += 1)
if (n % i === 0)
{
num_factors.push(i);
if (n / i !== i)
num_factors.push(n / i);
}
num_factors.sort(function(x, y)
{
return x - y;}); // numeric sort
return num_factors;
}
function start()
{
num1=Number(document.getElementById("val1").value);
document.getElementById("result").value= factors(num1);
}
</script>
<script>
function clear_me()
{
document.getElementById("val1").value = "";
document.getElementById("result").value = "";
document.getElementById("val1").focus();
}
</script>
</head>
<body>
<h1 class="art"> Factors of a Number in JavaScript </h1>
<p class="art2"> Created By Mr. Jake R. Pomperada, MAED-IT </p>
<br><br>
Give a Number <input id="val1" type="text" size="5" autofocus>
<br><br>
The result is <input id="result" type="text" size="50"
<br> <br> <br>
<button id="button_me" onclick="start()">Check</button>
<button id="button_me" onclick="clear_me()">Clear</button>
</br></br>
</body>
</html>
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