A program that I wrote using JavaScript that will ask the user to give a number and then our program will compute it's factorial equivalent value. The code is very simple and easy to understand.
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
factorial.htm
<!doctype html>
<html>
<head>
<style>
.art {
font-family: arial;
font-weight: bold;
color:red;
text-align: center;
width:55%;
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 palindrome_number()
{
var i, no, fact;
no=Number(document.getElementById("no_input").value);
fact=1;
for(i=1; i<=no; i++)
{
fact= fact*i;
}
document.getElementById("msg").innerHTML = "The factorial value of "+ no + " is " +fact + ".";
}
</script>
<script>
function clear_me()
{
document.getElementById("msg").innerHTML = "";
document.getElementById("no_input").value = "";
document.getElementById("no_input").focus();
}
</script>
</head>
<body>
<h1 class="art"> Factorial Number Solver in JavaScript </h1>
<p class="art2"> Created By Mr. Jake R. Pomperada, MAED-IT </p>
<br><br>
Give a Number : <input id="no_input" type="text" autofocus required>
<br><br>
<p id="msg"> </p>
<button id="button_me" onclick="palindrome_number()">Check Number</button>
<button id="button_me" onclick="clear_me()">Clear</button>
</br></br>
</body>
</html>
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