http://stackoverflow.com/

http://stackoverflow.com/questions/34267632/button-press-not-executing-function

HTML

<button onclick="saveNewData()" style="position: fixed;left: 150px;top: 90px;" >Eintragen</button>
<p style="position: fixed; left: 20px">Max.6 Fahrer</p>

<script>
function saveNewData(){
 		alert('dataString');
    var Name = $('#Namen :selected').val();
    var Autos = $('#Autos :selected').val();
    var dataString = "decision=saveData+Name+Autos";
        //$.ajax({
        //type: 'POST',
        //url: 'queries.php',
        //data: dataString
        //});
       
}
</script>

JavaScript

// It works correctly
//document.querySelector('button').onclick = saveNewData;