kiit-application-development-labroatory-code/test.html at main · kiit-code/kiit-application-development-labroatory-code · GitHub

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <input id="q1" type="text">
    <button onclick="check()">Submit</button>
    <p id="output"></p>


    <script>
        function check() {
            let c = document.getElementById("q1").value;

            let l = c.length;

            let flag = false;
            let flag2 = false;
            let flag3 = false;


            for (let i = 0; i < l; i++) {
                console.log(i);
                if ((c[i] == '0' || c[i] == '1' || c[i] == '2' || c[i] == '3' || c[i] == '4' || c[i] == '5' || c[i] == '6' || c[i] == '7' || c[i] == '8' || c[i] == '9')) {
                    flag = true
                }
                if ((c[i] == '*' || c[i] == '&' || c[i] == '/' || c[i] == '@')) {
                    flag2 = true
                }

                if (c[i] >= 'A' && c[i] <= 'Z') {
                    flag3 = true; // Checks for uppercase letters
                }
            }

            if (flag && flag2 && flag3) {
                console.log("YES VALID");
                document.getElementById("output").innerText = "YES VALID";
            }
            else {
                console.log("NO INVALID");
                document.getElementById("output").innerText = "NO INVALID";
            }
        }
    </script>

</body>

</html>