This Program In JavaScript To Find Factorial Of A Number Using Prompt Box.
<html>
<head>
<title>Program In JavaScript To Find Factorial Of A Number Using Prompt Box.</title>
</head>
<body>
<script language="javascript">
var n,i,fact=1;
n=prompt("Enter number",0)
for(i=n;i>=1;i--)
{
fact=fact*i;
}
document.write("factorial is:"+fact);
</script>
</body>
</html>
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