Genap & Ganjil (JavaScript & Form HTML)

<!--Indonesian C0der Leak-->
<!--Created By : Ilham Wicaksono :)-->

<html>
    <head>
        <title>Fungsi Genap & Ganjil</title>
        <script type="text/javascript">
            function bilangan()
            {
                var x = parseInt(document.bil.gage.value);
                var hasil = document.getElementById('hasil');
                if (x%2 == 0) hasil.innerHTML = 'Hasil = Genap';
                else hasil.innerHTML = 'Hasil = Ganjil';
            }
        </script>
    </head>
    <body>
        <form name='bil' onsubmit='return false'>
            <h2>Tipe Bilangan Ganjil atau Genap</h2>
            Masukkan sebuah bilangan bulat :
            <br/>
            <input type="text" name="gage"/>
            <input type="submit" value="Proses" onclick="bilangan()">
            <br/>
        </form>
        <p id='hasil'></p>
    </body>
</html>