Armstrong number | javascript program to find armstrong number

javascript program to find armstrong number

<script>

var n=prompt("enter the number");
n1=n;

var sum=0,r;
while(n!=0)
{
r=n%10;
sum=sum+(r*r*r);
n=parseInt(n/10);
}
if(sum==n1)
alert("number is armstrong");
else
alert("number is not armstrong");

</script>

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