CourseMap/practical.html at main · Karnadevsinh/CourseMap · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>


    <div class="container">
        <h2>Check Number Is Armstrong Or Not</h2>
        <input type="text" name="" id="armstrongNumber" placeholder="Enter Number">
        <input type="button" value="Check" onclick="armstrong()">
    </div>
    <div class="container">
        <h2>Check Number Is Pallindrome Or Not</h2>
        <input type="text" name="" id="pallindromeString" placeholder="Enter Number">
        <input type="button" value="Check" onclick="pallindrome()">
    </div>


    <script>
        function armstrong() {
            let number = document.getElementById("armstrongNumber").value;
            let remainder = 0, sum = 0, tempNumber = number;
            while (number > 0) {
                remainder = number % 10;
                sum = sum + (remainder * remainder * remainder);
                number = parseInt(number / 10);
            }
            console.log(sum);
            if (tempNumber == sum)
                alert(tempNumber + " Is Armstrong Number!");
            else
                alert(tempNumber + " Is Not Armstrong Number!");

        }
        function pallindrome(){
            let input = document.getElementById("pallindromeString").value;
            // let remainder = 0, sum = 0, tempNumber = number;
            // while (number > 0) {
            //     remainder = number % 10;
            //     sum = sum*10 + (remainder);
            //     number = parseInt(number / 10);
            // }
            // if (tempNumber == sum)
            //     alert(tempNumber + " Is Pallindrome Number!");
            // else
            //     alert(tempNumber + " Is Not Armstrong Number!");

            let tempstr = "";
            for(let i=input.length; i>= 0; i--){
                // tempstr.concat(input[i]);
                tempstr = tempstr + input.charAt(i);
            }
            console.log(tempstr.length);
            if (tempstr == input)
                alert(input + " Is Pallindrome!");
            else
                alert(input + " Is Not Pallindrome!");
        }
    </script>
</body>
</html>