Write a JavaScript program to check whether a given number is perfect, abundant or deficient. Use an alert box to display the output.
<html>
<body>
<h1>Perfect Number</h1>
Enter a number:
<input type="text" id="num" />
<input type="button" value="Find" onClick="findPerfect()" />
<script>
function findPerfect() {
var n = document.getElementById('num').value;
var sum = 0;
for (var i = 0; i < n; i++) {
if (n % i == 0) {
sum = sum + i;
}
}
if (sum == n)
alert("The number is perfect ");
else if (sum > n)
alert("The number is abundant");
else
alert("The number is deficient");
}
</script>
</body>
</html>
Output
