<!DOCTYPE html>
<html lang="en-US">
<body>
<h1>JS Program to Condense a Number</h1>
<script>
var copyNum, result, remainder;
var num = 8654;
var userValue = num;
while(num > 9)
num = myCondense(num);
function myCondense(a) {
copyNum = a;
remainder = 0;
result = 0;
while(copyNum != 0)
{
remainder = copyNum % 10;
result += remainder;
copyNum = Math.floor(copyNum / 10);
}
return result;
}
document.write("Single Digit of "+userValue+": "+num);
</script> </body>
</html>