JavaScript-Programs/armstrong.html at master · softwaredeveloperhub01/JavaScript-Programs · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=\, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    Enter any Number: <input id="no_input">
    <button onclick="armstr()">Check</button></br></br>

    <script>
        function armstr() {
            var arm = 0, a, b, c, d, num;
            num = Number(document.getElementById("no_input").value);

            temp = num;
            while (temp > 0) {
                a = temp % 10;
                temp = parseInt(temp / 10); // convert float into Integer
                arm = arm + a * a * a;
            }
            if (arm == num) {
                alert("Armstrong number");
            }
            else {
                alert("Not Armstrong number");
            }
        }
    </script>

</body>

</html>