hm5.html

<!doctype html>
<html lang="ru" onkeypress="go(event)">
    <head>
        <meta charset="utf-8">
        <title>
            Homework | 5
        </title>
        <script>
            arr = []
            function go(e) {
                arr.push(e.keyCode);
                console.info(arr);
                for (var i = 0; i < arr.length; i++) {
                    if (arr.length >= 6 &&
                        (arr[i] === 85 || arr[i] === 117)&&
                        (arr[i+1] === 76 || arr[i+1] === 108)&&
                        (arr[i+2] === 73 || arr[i+2] === 105) &&
                        (arr[i+3] === 65 || arr[i+3] === 97)&&
                        (arr[i+4] === 78 || arr[i+4] === 110)&&
                        (arr[i+5] === 65 || arr[i+5] === 97)) {
                        document.getElementById('play').play();
                        document.getElementById('play').volume = 1;
                    }
                }
            }
        </script>
    </head>
    
    <body>
        <audio id="play" src="1.mp3"></audio>
        <h1>Введите ULIANA</h1>
    </body>
</html>