Untitled

<!DOCTYPE HTML>
    <html>
<body>

<form id='form'>

    <input type='button' value='All sets' onclick='testFunction()'
</>

<script type='text/javascript'>


    /**
     *
     */
    function testFunction(){


        var $something = "gelukt";
        echo $something;


    }

</script>
</body>
</html>