<!DOCTYPE html><html>
<head><title>Random String Generator</title></head>
<body>
    <script>
        let output = "";
        let letters = "abcdefghijklmnopqrstuvwxyz";
        let total = prompt('How many letters in the output?');
        total = (isNaN(total)) ? 10 : total;
        for (var i = 0; i < total; i++) {
            output += letters.charAt(Math.floor(Math.random() * letters.length));
        }
        console.log(output);
    </script>
</body>
</html>
